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    Catalyst Restaurant

    3.6 (414 reviews)
    Closed Closed

    Catalyst Restaurant Photos

    CATALYST RESTAURANT ATMOSPHERE

    What's the vibe?
    Trendy
    Classy
    Moderate noise
    Outdoor seating

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    Recommended Reviews - Catalyst Restaurant

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    Charcuterie boards on the table
    Vicki M.

    I went here for a fancy office dinner after work on a week night with colleagues along with some top brass. So we had the private room with 3 round tables and a 4-course menu plus charcuterie platters on the table. We've driven by this place many times and didn't really know much about it until this visit and it's nice! It's a nice elegant restaurant, cool ambiance and food is great. I was still somewhat full from lunch so I had three of the 4 courses. I had the salad with apples, skipped the second course, got the salmon entree and then the seasonal fresh fruit for dessert. Everything was tasty. I tried the second course butternut squash ravioli that my colleague ordered and it was really nice too. Service was efficient although this was a private function dinner so can't say if it's the same in the restaurant. Overall a great experience and would love to return!

    Bea T.

    Came here for dinner, and I would say it was very a modern and lofty chic ambience. We were seated by the window and the service was very nice. The food is Contemporary cuisine. We started with tuna tartare, which was really delicious and we had side of wedge, potato, sweet potatoes serve with aïoli, which was delicious, and the blue cod was phenomenal! I like, but they use fresh ingredients. They added muscles in the purée. It was so flavorful !I had a sampling of beef tornedos and it was delicious and for desert I had the Matcha chocolate, which sounded interesting, because I actually like the flavors separately, but it was beautifully decorated in design. The prices were reasonable for what you're getting and the ambience is gorgeous. Definitely come back here again.

    Peach tartine

    We were in Boston last month and local friends recommended we eat at The Catalyst! What an amazing meal! We started with a few delicious appetizers. Squash blossoms, peach tartine and some sort of peppers that were very flavorful. The entrees were large portions and beautifully presented! All were very tasty! We split a few desserts, and it was a perfect way to end the meal! Very pleased with the service too! Feels like a family atmosphere! I had a chance to come back for lunch a few days later and order the fish tacos! The fish was perfectly cooked! We will definitely come back the next time we are in Boston!

    Nikki Y.

    Catalyst is located in a cozy spot in Cambridge. The service was a bit slow, but the food was amazing! We were able to make reservation on the same day and it was packed for a weekday night. We got the focaccia to start, which was great -- super nice, flavorful, and soft. For our mains, we got a steak and pasta. The steak was juicy, which was delicious; however, the pasta was more on the doughy side (almost like gnocchi texture) which may be good or bad depending on how you like your pasta. I love that their pasta has two sizes so you can choose between a small or large size! Lastly, the desserts were delicious. The chocolate macaron was sweet and chocolatey while the passion fruit tart was tangy and a tad sour.

    Delicious food on our anniversary. Staff gave us a complimentary flute of rosé and a dessert, excellent service and really delicious focaccia, pasta, and halibut.

    Fish Tacos
    Leonard Tony S.

    I loved the tacos they were really good and just enough. The French fries were crispy just how I like them. I went for a lunch with all my colleagues from work. We had over 20 people and the service was amazing. Your team really did a wonderful job so great work taking care of such a large group. I also had the chocolate cake too but forgot to take a picture. Needless to say it was great too. If you are new in town give it a try.

    Thanh L.

    Came here for a friend wedding. Everything was perfect. The service was professional and the atmosphere was wonderful. The mix drinks were good depend on the person that mixed it. The food was overall decent. Definitely, will make my way back another time.

    Very disappointed this is the bird today and barely touched! Was has been cut was discarded.

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    Catalyst Restaurant Reviews in Other Languages

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    PRB Boulangerie - Outside view

    PRB Boulangerie

    3.6(31 reviews)
    1.3 mi

    Been wanting to give this place a try for a month after seeing gorgeous pictures of their pastries…read moreon instagram lately. I stopped by on a Sunday early morning right after they had opened and tried several items on display including a plain croissant, a pear danish, blueberry danish, and a valentine raspberry special bowtie. While the pastries looked pretty for instagram, they all needed a LOT more work. Everything here left me sad. There were no flakes, no crumble, and no crisp to the pastries (just soft, limp, sadness). The danishes here are also not cheap, with the blueberry danish being $8. According to the staff, all the danishes had come out fresh out of the oven JUST 30 minutes ago. Can only imagine how much more disappointing the pastries would've been for the people that came in after me. Save yourself a trip here and go to Michette, Lakon, Colette, Cremux Patisserie, SALT, or Little L instead if you're looking for a solid danish or croissant. Will not be back.

    Just made my first visit and I'm wondering why I've never visited before; this place is wonderful,…read moreand for several reasons: - It's a rare city place with a parking lot - Even the street parking is easy - Plenty of seating, soft French music - Friendly staff - First croissant was warm! - Fresh stuff - Extensive selection without having so many that it's overkill - Some nice innovation but not cheap gimmickry aimed at the Instagram set Almond Croissant: Gigantic, still warm, very crusty, very flaky, and a near-liquid almond filling that was in the mild side but naturally sweet rather than pumped up with additives. Good crunch to the bite, sending flaky shrapnel everywhere, but yielding to the tender center. Somewhat buttery. Chocolate croissant: Not as gigantic, but a steal at under $5. Not warm but very fresh, very flaky and delicate, cracking more intensely in the bite with even more shrapnel. Underneath, a very light and fluffy feel, along with a very buttery taste. Not greasy at all; just great flavor, and that's not even counting the dark chocolate, which was understated but effective. Pain au Raisin: Again flaky, but a bit (only a bit) on the dry side, even with the noticeably custardy notes. Good flavor to the dough. Minimal glaze if any. A rung or two lower on the impressiveness scale than the almond and chocolate croissants, but still solid. Blueberry Danish: Nice pastry, many layers, light, crisp and delicate, while still being soft and buttery. Good flavor to the dough and faintly glazed. Surprisingly, the crispness lasted well into the early evening, when tried as a take-home item. Lots of blueberries, fresh and not too fussed with, along with a bit of blueberry compote. No gimmicks, no bombast, just good stuff. Looking forward to a quick return. On my mental shopping list to encompass a few visits: chocolate almond croissant, chocolate chip cookie dough croissant (aka "cookie" and the only gimmicky item I saw), apricot danish, pear danish, pain suisse, and babka.

    Photos
    PRB Boulangerie - Shopfront window

    Shopfront window

    PRB Boulangerie - Shopfront window

    Shopfront window

    PRB Boulangerie - Hours posted on door

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    Hours posted on door

    Honeycomb Creamery - Horchata Ice Cream with Honeycomb candy

    Honeycomb Creamery

    4.1(483 reviews)
    2.0 miPorter Square
    $$

    Really interesting flavors. They make everything in the house use local/regional ingredients…read more Unfortunately, we missed out on the cool flavors. But we tried the frozen yogurt, strawberry cheesecake, which was a standout, salted caramel with good crunch, honey lavender (hard to taste lavender), port cherry. Will be back for sure

    No free samples. You can complain about a flavor if you don't like it (once ordered and paid) and…read moreget it replaced, but they throw the original all away. This is their policy and it's fine, just seems wasteful. This also makes it hard to try the unique flavors :( I wouldn't have had an issue (since it's their own policy) but the replacement portion was way smaller. I'm not sure if the staff was having a bad day or not, but it seemed like asking for a replacement flavor was purposefully made uncomfortable to deter you from asking? (P.S. Paying $6 for very little portions plus not having samples of flavors seems counterintuitive.) Also, Horchata is a rice based drink (with its main liquid being milk, water is also added though), so how can that be a vegan option? If they were able to actually have it taste like Horchata (with or without milk) that would've been fine, but it tasted like water + cinnamon. This was the flavor that brought me to this place so I was disappointed :( Overall, I might come back for the Cold Brew and Brown Sugar Vanilla flavors when I want a sweet treat (there are other sweet places for a better price and experience). But the fact that I ended up liking two of the most basic flavors out of the whole menu disappoints me :/

    Photos
    Honeycomb Creamery - Salted caramel crackle and brown butter oatmeal cookie

    Salted caramel crackle and brown butter oatmeal cookie

    Honeycomb Creamery
    Honeycomb Creamery

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    Zinneken's - Harvard Square - Liege waffle

    Zinneken's - Harvard Square

    3.9(666 reviews)
    1.3 miHarvard Square
    $

    TLDR: You can't go wrong with a warm, freshly made waffle…read morehere, but people definitely have their individual preferences. My recommendation is to go with the Liege waffle with berries and your pick of any other toppings. With a cozy atmosphere and the smell of warm waffles, this is an especially good spot during the colder months, but still a favorite in the warmer months too. ------ FOOD: THE LIEGE (5/5) The Liege waffle is the classic here and the one I'd recommend. Sweet, thick, and a richer snack (i.e. the satisfying treat you're probably looking for if you're stopping by a waffle shop). All of the topping combos are classic, and the berries they use here are high quality. Waffles come out hot and fresh after just being made, so if you order ice cream or whipped cream, know that you'll have to eat quickly if you don't want it to melt into the waffle. THE BRUSSELS (4.5/5) Besides the Liege, the Brussels waffle is an interesting choice and very different from the Liege. As the menu describes, it's definitely significantly lighter, and it's crispier in a different way (not from the caramelization of the pearl sugar but from crisped up batter similar to an Ego waffle). It's extremely delicate, so I'd recommend just doing some powdered sugar and maybe a chocolate drizzle or some whipped cream. ------ ENVIRONMENT / AMBIANCE: * Small shop on the edge of Harvard Square. Some window seating and a few small tables best for groups of 2 - 4. * Given how small it is inside, finding a seat during peak hours can be particularly challenging, and lines can be out the door too. ------ SERVICE: * Order at the kiosk and then find a seat (if you can). When a waffle is done, they'll call a name and come to you once you indicate that it's for you. * Water and utensils are self-service, and the expectation is that you put your plates, utensils, and cups away in a bin inside by the counter.

    Perfect for sitting quietly on a sunny afternoon, especially when you're feeling down…read more Gourmand Waffle: Liege waffle/banana/whipped cream/caramel. The ultimate sweetness is evident from the ingredients. The waffle was light and crispy on the outside, soft and moist on the inside; the sweetness of the banana and caramel is mellow and rich, the pearl sugar was slightly caramelized, and the sweetness of the cream was natural and light. Every bite offered a different layer of flavor. But most importantly, it was really sweet, and sweetness is the most soul-stirring enjoyment. It was sweet enough to bring peace, allowing you to temporarily escape the world and focus on this plate of beautiful fairytale. Café au Lait (Latte): Beautifully layered, with a natural milky aroma. But what does the menu mean by confusing café au lait with latte?

    Photos
    Zinneken's - Harvard Square - Inside

    Inside

    Zinneken's - Harvard Square - The Sin Waffle, add whip cream and Caramel Macchiato

    The Sin Waffle, add whip cream and Caramel Macchiato

    Zinneken's - Harvard Square - Banana/ strawberry/ chocolate waffle

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    Banana/ strawberry/ chocolate waffle

    Mike's Pastry - Nutella cannoli

    Mike's Pastry

    3.9(581 reviews)
    1.6 miHarvard Square
    $

    Mike's Pastry is the place that is on every single must visit in Boston list. So, when we walked by…read moreone near Harvard Square, we had to stop by. This one didn't have a long line that I knew their North End location would certainly be marked by. On our first visit, we tried a plain cannoli to have a baseline of what to expect. We also tried a pistachio macaron. On the second visit, we tried a red velvet whoopie pie and a pistachio cannoli. The cannoli's are fire. The shell is thick, crispy and they hold up. They're stuffed with sweet creamy ricotta. It's a perfect pairing of soft cream and a hard shell. This location had a few bar seats available at the window and against the wall. There's a huge window of sweet treats on display. I definitely recommend visiting, try a cannoli and get something to go. They have everything from lobster tails to Boston cream pie. I think it would take someone with a lot of will power to come here and walk out without getting something.

    Mike's Pastry in Cambridge brings the famous North End bakery experience to Harvard Square, making…read moreit easy to enjoy their iconic pastries without heading into downtown Boston. Located on Dunster Street, the shop is designed for efficiency, with a straightforward layout that keeps the line moving even during busy hours. There are a few counter seats inside, but it's primarily a grab-and-go destination where most people leave carrying one of the bakery's signature string-tied pastry boxes. The cannolis are the main reason to visit, and they certainly live up to their reputation in terms of size. The classic chocolate chip cannoli is generously filled from end to end with a rich, sweet ricotta cream, while the crisp shell provides just the right amount of crunch. If you're looking for something a little different, the Florentine cannoli is an excellent choice. Its honey-nut shell adds an extra layer of texture and a subtle caramelized flavor that pairs beautifully with the creamy filling. Beyond the cannolis, the bakery offers an impressive selection of Italian pastries, cookies, cakes, and other desserts. The lobster tails are another popular option, with flaky layers surrounding a rich cream filling, and the display cases are filled with enough variety to make it difficult to choose just one item. Prices are a bit higher than your average neighborhood bakery, but the portions are generous enough that many pastries can easily be shared. Service is quick and efficient, with staff focused on keeping the line moving throughout the day. Since seating is limited, it's worth taking your pastries to nearby Harvard Yard or the Charles River, where you can enjoy them at a more relaxed pace. Mike's Pastry may be best known for its North End flagship, but the Cambridge location delivers the same oversized cannolis and classic Italian desserts in a much more convenient setting. Whether you're craving the original chocolate chip cannoli or one of their many other pastries, it's an easy stop whenever you're spending time around Harvard Square.

    Photos
    Mike's Pastry - Florentine Cannoli

    Florentine Cannoli

    Mike's Pastry
    Mike's Pastry - Amaretto cannoli

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    Amaretto cannoli

    Catalyst Restaurant - newamerican - Updated September 2026

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