One-Pot Creamy Boursin Mac and Cheese
This one-pot creamy Boursin mac and cheese is the weeknight dinner that delivers big flavor with almost no cleanup.
Boursin cheese melts into a silky sauce, coating every piece of pasta with garlic and herbs. It’s ready in about 20 minutes and tastes like a dish you’d order out, but it’s made on your own stovetop.
Why This Mac and Cheese Works
The Boursin does all the heavy lifting. You don’t need a roux or a long list of spices because the cheese already carries garlic, herbs, and a creamy tang. The pasta soaks it all up, so every bite is rich but not heavy.
It’s the one I reach for when I want comfort food that feels a little fancy and takes the same effort as boxed shells.
Ingredients
- 1 lb elbow macaroni: or any short pasta like shells or cavatappi
- 2 tbsp unsalted butter: salted butter works, just ease off the added salt later
- 1 (5.2 oz) package Boursin Garlic & Fine Herbs cheese: the herb-flecked one is key
- 1 cup whole milk: 2% works but the sauce will be slightly thinner
- ½ cup finely grated Parmesan: use a microplane and grate it yourself for the smoothest melt
- Kosher salt and black pepper: for seasoning the pasta water and the sauce
- Snipped fresh chives: optional, for a fresh finish
Variations / Substitutions
- Protein: Fold in cooked bacon, shredded rotisserie chicken, or sautéed shrimp right before serving.
- Herb swap: If you can’t find garlic & fine herbs Boursin, the shallot & chive version lends a milder, sweeter note.
- Spice: A pinch of cayenne or red pepper flakes adds a gentle warmth without overwhelming the herbs.
- Dairy-free: Use a plant-based cream cheese alternative and unsweetened oat milk, though the texture will be slightly different.
- Make it a bake: Transfer to a casserole, top with buttered panko and extra Parmesan, and broil for 2 to 3 minutes until golden and bubbly.
If you love this, try our stovetop cheddar mac and cheese.
How to Make One-Pot Creamy Boursin Mac and Cheese
Step 1: Cook the Pasta
Bring a large pot of salted water to a boil, add the 1 lb elbow macaroni, and cook until just al dente, about 1 minute less than the package directions (typically 7 to 8 minutes). Drain the pasta, but don’t pour all the water down the sink. Reserve about 1 cup of the starchy cooking liquid, then set the colander aside.
Don’t skip reserving that pasta water. It’s the secret to a silky sauce that stays creamy without any flour.
Step 2: Melt the Butter and Add the Boursin
Return the empty pot to medium-low heat. Drop in the 2 tbsp unsalted butter and let it melt completely. Crumble in the Boursin cheese and pour in the 1 cup whole milk. Stir gently until the cheese melts into the milk, about 2 minutes. Whisk in ½ cup of the reserved pasta water. The sauce will look loose at first.
The Boursin will break down completely, leaving little flecks of herbs. If the sauce seems too thin, don’t worry, it will tighten up once the pasta is added.
Step 3: Toss the Pasta with the Sauce
Slide the drained pasta back into the pot and toss everything to coat. Cook over low heat for 1 to 2 minutes, letting the pasta absorb some of the sauce until it’s glossy and clings to the pasta.
At this stage, the sauce goes from runny to thick and coats every piece of macaroni in a glossy layer. Stir gently so the pasta doesn’t break.
Step 4: Finish with Parmesan and Serve
Take the pot off the heat. Stir in the ½ cup grated Parmesan and a few grinds of black pepper. Taste and adjust salt if needed. Pile the mac and cheese into bowls, scatter with snipped chives, and serve immediately while it’s creamy.
The Parmesan adds a salty depth that balances the creamy Boursin. Serve right away because the sauce is creamiest right out of the pot.
Tips for the Creamiest Boursin Mac and Cheese
- Save more pasta water than you think you need. You may want an extra splash at the end if the sauce tightens up too much.
- Use a whisk to incorporate the Boursin into the milk. It helps avoid any lumps and gets the cheese fully smooth.
- Grate your own Parmesan. Pre-shredded cheeses often contain anti-caking agents that can make the sauce grainy.
- If the sauce thickens too much as it sits, stir in a splash of warm milk or reserved pasta water to bring it back.
Storing Leftovers
- Refrigerate: Leftover mac and cheese keeps in an airtight container for up to 3 days. The sauce will firm up in the fridge.
- Reheating: Warm gently on the stovetop over low heat with a splash of milk or water, stirring often, until creamy again.
- Serve Cold: Not recommended. It’s best hot.
What to Serve With Boursin Mac and Cheese
A simple green salad with a sharp vinaigrette cuts through the richness. Arugula with lemon and olive oil is perfect. Roasted broccoli or asparagus adds freshness and a little char. If you’re serving this as a side, it goes wonderfully with pan-seared chicken thighs or a roasted pork tenderloin.
Frequently Asked Questions
Can I make this ahead of time?
This mac and cheese is best fresh. You can cook the pasta a few hours ahead, toss with a little oil, and reheat in the sauce when ready. The sauce itself is quick to make last minute.
My sauce split or got grainy. What went wrong?
That usually happens when the heat is too high or the cheese is added too quickly to boiling liquid. Keep the heat at medium-low and stir constantly while the Boursin melts.
Can I bake this with a breadcrumb topping?
Absolutely. Transfer the finished mac to a casserole, top with buttered panko and more Parmesan, and broil for 2 to 3 minutes until golden and bubbly.
Is this recipe gluten-free?
Yes, with a swap. Use a gluten-free pasta and check that your Boursin cheese is gluten-free (it typically is), and it works well.
One-Pot Creamy Boursin Mac and Cheese Recipe
Ingredients
Method
- Bring a large pot of salted water to a boil, cook macaroni until just al dente, drain reserving 1 cup pasta water.
- Melt butter in the same pot, add Boursin, milk, and ½ cup pasta water, stir until smooth, about 2 minutes.
- Return pasta to pot, toss to coat, cook 1 to 2 minutes until glossy.
- Off heat, stir in Parmesan and pepper, serve with chives.
