Boursin is a staple in my house. Most of the time it’s a snack cheese — I put it on a plate with sliced apples and crackers, and it disappears before dinner.
But when we buy the multipack at Costco, I always save one wheel for this pasta. It bakes with cherry tomatoes, garlic, and shallots until the cheese melts into a bubbling pool and the tomatoes burst, and then it turns into a creamy, rich sauce that coats every piece of rigatoni.
It’s a family favorite, and it’s the easiest “feels fancy” dinner I make.
The secret is the pasta water. Melted Boursin and tomato juices alone will separate into a greasy pool on the plate.
Whisking in a quarter cup of hot, starchy pasta water before the pasta goes in binds the fat and the acid into a glossy, cohesive sauce.
This step turns a baked cheese dish into restaurant-quality pasta, and it takes about thirty seconds.
When I make it, what I pay attention to is the bake time.
Fifteen minutes at 400°F is not enough — the tomatoes stay raw and acidic, and the shallots don’t soften. Thirty to thirty-five minutes is what gives you blistered, sweet tomatoes and a Boursin that’s fully melted and bubbling at the edges.
Why This Recipe Works
Boursin is the right cheese because it melts into a velvety sauce instead of staying crumbly. Boursin Garlic & Fine Herbs is a soft, high-butterfat cheese that melts completely in the oven. Feta, the cheese in the original viral version, stays crumbly and salty and never becomes a sauce. Boursin turns into a creamy base that coats the pasta.
Baking for 30 to 35 minutes is what blisters the tomatoes and mellows the shallots. Fifteen minutes leaves the tomatoes raw inside and the sauce acidic. The longer bake caramelizes the natural sugars in the tomatoes, softens the shallots, and lets the Boursin melt and bubble at the edges.
Pasta water emulsifies the sauce. Without a binder, melted cheese and olive oil will separate on the plate. The starch in the pasta water binds the fat and the tomato juices into a glossy sauce that clings to the pasta instead of pooling. Reserve half a cup before you drain, then add it a quarter cup at a time.
Smashing the tomatoes and whisking the cheese into the pasta water create the sauce. You need to break open the tomatoes so their juices mix with the melted cheese. A fork or a spoon does the job in about thirty seconds.
Short, ridged pasta holds the sauce. Rigatoni, cavatappi, and penne all have ridges and hollows that trap the sauce. Long pasta works, but the sauce slides off, and small shapes like orzo absorb too much and turn mushy.
Add the basil at the very end, off the heat. It stays bright green and fresh, and the anise note cuts through the cheese’s richness. Added earlier, it turns dark and bitter.
If you’re adding mushrooms, sauté them dry first. Mushrooms are mostly water, and cooking them in oil traps that moisture. Starting with a dry pan forces the water out; then add the oil and they brown instead of steam.
Ingredients That Matter
Most of this list is flexible. Three ingredients are easy to get wrong, so those are the ones worth explaining.
Boursin Garlic & Fine Herbs, one 5.2-ounce wheel. This is the sauce. The Garlic & Fine Herbs flavor is the classic for this recipe, and the soft texture melts completely. Other Boursin flavors work, but the garlic and herb version tastes like the dish you expect.
Cherry or grape tomatoes, a full pound. They need to be small and firm, so they blister instead of collapsing into mush. A full pound sounds like a lot, but they cook down, and their juices become the acid that balances the cheese.
Short pasta with ridges, 12 ounces. Rigatoni, cavatappi, or penne. The ridges hold the sauce, and the hollows catch the tomatoes and basil. Cook it al dente — it finishes in the sauce.
How to Make It
Step 1: Prep the baking dish.
Preheat the oven to 400°F. Place one unwrapped 5.2-ounce wheel of Boursin in the center of an 8×12-inch or 9×13-inch baking dish.
Step 2: Arrange the tomatoes and aromatics.
Scatter 1 pound of cherry or grape tomatoes, 1 finely minced shallot, and 4 sliced garlic cloves around the cheese. Drizzle 3 tablespoons extra-virgin olive oil over the tomatoes, then season with ½ teaspoon salt, ¼ teaspoon black pepper, and ¼ teaspoon red pepper flakes.
Step 3: Bake.
Bake for 30 to 35 minutes, until the tomatoes blister, char in spots, and burst with juice, and the Boursin is soft, golden, and bubbling at the edges. If the tomatoes aren’t blistering by 30 minutes, give them another 5.
Step 4: Boil the pasta.
While the sauce bakes, cook 12 ounces of short pasta in well-salted boiling water until al dente. Reserve ½ cup of the hot pasta water, then drain the rest.
Step 5: Sauté the mushrooms (optional).
If using, add 8 ounces of torn cremini mushrooms to a dry skillet over medium-high heat and cook for 3 to 4 minutes, until they release their moisture. Add 1 tablespoon of olive oil, season with salt and pepper, and sauté for 3 minutes, until golden. Toss in 3 cups baby spinach and cook for 1 minute, until just wilted.
Step 6: Emulsify the sauce.
Remove the baking dish from the oven. Pour ¼ cup of the reserved hot pasta water directly over the Boursin and tomatoes. Use a fork or spoon to smash the tomatoes, then whisk the melted cheese and tomato juices until a smooth, glossy cream sauce forms. Add more pasta water a tablespoon at a time if it’s too thick.
Step 7: Combine and serve.
Fold in the drained pasta, the mushroom and spinach mixture (if using), and ½ cup thinly sliced fresh basil. Toss continuously for 1 to 2 minutes, until the pasta is coated in the velvety Boursin sauce. Serve warm with extra basil and freshly grated Parmesan.
Tips and Troubleshooting
The sauce is greasy and separated. You left the pasta water out, or you didn’t add enough. Whisk in the full ¼ cup before the pasta goes in, and add more a tablespoon at a time if it looks oily.
The tomatoes are raw and acidic. The bake time was too short. Bake for the full 30 to 35 minutes, until the tomatoes blister and burst.
The Boursin didn’t melt. It was cold when it went into the oven, or the bake was too short. Let it come to room temperature for 10 minutes, then bake until it bubbles at the edges.
The pasta is mushy. You cooked it past al dente, or it sat in the sauce too long. Cook it just al dente and serve immediately.
The dish tastes flat. It needs salt or acid. Taste the sauce before adding the pasta and add salt or a squeeze of lemon.
The basil turned dark. It went in over heat. Fold it in off the heat, right before serving.
The mushrooms are rubbery. They were cooked in oil before their water evaporated. Sauté them dry first, then add the oil.
Storage and Make-Ahead
You can make the baked Boursin and tomatoes up to a day ahead and refrigerate. Reheat in a 350°F oven for 10 to 15 minutes, until bubbling, then proceed with the pasta water emulsion.
Leftovers keep in a sealed container in the refrigerator for up to 3 days. Reheat gently in a skillet with a splash of water, until the sauce loosens and the pasta is warmed through. The microwave works but makes the pasta soft.
I don’t recommend freezing the finished dish. The sauce separates on thawing, and the pasta turns mushy.
Store leftovers in the refrigerator within 2 hours of cooking, and discard anything left at room temperature for more than 2 hours.
Baked Boursin Pasta with Blistered Tomatoes
Sweet roasted cherry tomatoes, garlic, and shallots baked with a wheel of creamy Boursin, then emulsified with starchy pasta water into a velvety sauce that coats every piece of rigatoni.
Ingredients
For the baked sauce:
- 1 wheel (5.2 oz) Boursin Garlic & Fine Herbs
- 1 lb cherry or grape tomatoes
- 1 medium shallot, finely minced
- 4 cloves garlic, sliced
- 3 tbsp extra-virgin olive oil
- ½ tsp kosher salt
- ¼ tsp freshly cracked black pepper
- ¼ tsp red pepper flakes
For the pasta:
- 12 oz rigatoni, cavatappi, or penne
- ½ cup reserved starchy pasta water
- ½ cup fresh basil leaves, thinly sliced
- Freshly grated Parmesan, for serving
Optional addition:
- 8 oz cremini mushrooms, torn
- 3 cups baby spinach
- 1 tbsp olive oil
Instructions
- Preheat the oven to 400°F. Place the Boursin in the center of an 8x12-inch baking dish.
- Scatter the tomatoes, shallot, and garlic around the cheese. Drizzle with olive oil and season with salt, pepper, and red pepper flakes.
- Bake 30 to 35 minutes, until the tomatoes blister and the Boursin bubbles.
- Cook the pasta al dente, reserving ½ cup pasta water.
- If using mushrooms, sauté them dry first, then in oil until golden, and wilt the spinach in.
- Pour ¼ cup pasta water over the baked Boursin and tomatoes. Smash the tomatoes and whisk into a glossy sauce.
- Fold in the pasta, mushrooms, spinach (if using), and basil. Toss for 1 to 2 minutes and serve.
Notes
Notes: You can make baked sauce a day ahead and reheat it. Refrigerate leftovers for up to 3 days; reheat with a splash of water. Not recommended for freezing. Nutrition information is an estimate.
Nutrition (per serving, estimated): About 480 calories, 14g protein, 58g carbs, 22g fat, 4g fiber, 420mg sodium.
FAQ
Can I use a different Boursin flavor?
Yes. Shallot & Chive and Black Pepper both work. Garlic & Fine Herbs is the classic for this recipe and tastes like the dish you’re expecting.
Can I use feta instead of Boursin?
You can, but the result is different. Feta stays crumbly and salty and doesn’t melt into a sauce. Boursin is what makes this a creamy pasta rather than a tomato-and-cheese pasta.
Can I make this with orzo instead of rigatoni?
Yes. Orzo works, and it’s a popular variation, but it absorbs more sauce and turns softer. Use 12 ounces of orzo and add the pasta water a tablespoon at a time so it doesn’t get soupy.
Can I add chicken?
Yes. Fold in sliced cooked chicken breast or rotisserie chicken at the end to make Boursin chicken pasta. Add it with the pasta so it warms through without drying out.
Can I make this ahead of time?
You can make the baked Boursin and tomatoes a day ahead and reheat them, but the assembled pasta is best the day it’s made. It keeps for 3 days, but the texture softens.
What pasta shape works best?
Rigatoni, cavatappi, and penne work best because their ridges and hollows hold the sauce. Avoid long pasta, which the sauce slides off.
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Closing
This is the pasta I make when I want something that feels like a treat but takes less than an hour and doesn’t ask much of me.
The Boursin does the work, the tomatoes do the flavor, and the pasta water is the quiet trick that turns it all into a sauce.
If you keep a wheel of Boursin in the fridge for snacking, this is the reason to buy the multipack — one for the cheese plate, one for dinner.
