Roasted Garlic Pasta Sauce

Featured in: Skillet & Pan Recipes

This creamy roasted garlic pasta sauce transforms whole garlic bulbs into a mellow, spreadable paste through slow roasting. The garlic is combined with sautéed onions, diced tomatoes, fresh basil, butter, and heavy cream to create a silky, luxurious sauce. Tossed with al dente pasta and finished with Parmesan cheese, it delivers deep, savory flavors in just one hour. Perfect for vegetarians and adaptable for vegan diets.

Updated on Sat, 17 Jan 2026 09:58:00 GMT
Roasted Garlic Pasta Sauce, a creamy and golden Italian main dish, served over spaghetti with fresh basil garnish.  Save
Roasted Garlic Pasta Sauce, a creamy and golden Italian main dish, served over spaghetti with fresh basil garnish. | crunchymsemen.com

The smell hit me before I even opened the oven door. Sweet, caramelized garlic mingling with olive oil, softening into something almost buttery. I'd tucked three whole bulbs into foil packets forty minutes earlier, skeptical they'd transform the way everyone promised. But when I squeezed those golden cloves into my bowl, they collapsed into paste like warm honey, and I understood why this sauce had been passed around my friend group like contraband. One taste straight from the spoon and I knew dinner was about to get serious.

I made this for my sister after she moved into her first apartment, armed with nothing but a single pot and a dull knife. We sat on her floor with bowls balanced on our knees, twirling pasta and laughing at how fancy it tasted despite the bare bones kitchen setup. She kept saying it felt like something you'd order on a date, not something you could pull off on a Tuesday with groceries from the corner store. That night, surrounded by unpacked boxes and mismatched forks, this sauce became her signature dish.

Ingredients

  • 3 large whole garlic bulbs: Roasting transforms raw garlic from sharp and biting into sweet, jammy, and impossibly creamy, so don't skimp on size or quantity here.
  • 1 medium yellow onion, finely chopped: The onion adds a subtle sweetness that balances the tomatoes and helps build a rounded, savory base for the sauce.
  • 1 (400 g) can diced tomatoes: Use good quality canned tomatoes since they form the body of the sauce and their brightness cuts through the richness beautifully.
  • 2 tbsp fresh basil, chopped (plus extra for garnish): Fresh basil brings an herbal brightness that dried just can't match, so grab a handful and tear it with your fingers if chopping feels fussy.
  • 60 ml (1/4 cup) heavy cream: Just enough cream to round out the acidity of the tomatoes and give the sauce a silky, luxurious texture without overwhelming the garlic.
  • 30 g (2 tbsp) unsalted butter: Butter stirred in at the end adds gloss and a velvety finish that makes the sauce cling to pasta like it was meant to be there.
  • 30 g (1/4 cup) grated Parmesan cheese (plus more for serving): Freshly grated Parmesan melts into the sauce and adds a salty, nutty depth that ties everything together.
  • 350 g dried pasta (spaghetti, linguine, or fettuccine): Long noodles work best here because they twirl through the creamy sauce and capture all that roasted garlic goodness in every bite.
  • 2 tbsp olive oil (plus extra for drizzling): Use a decent olive oil for roasting the garlic since it becomes part of the flavor, not just a cooking medium.
  • 1/2 tsp salt: Salt brings out the sweetness in the roasted garlic and tomatoes, so taste as you go and adjust to your preference.
  • 1/4 tsp freshly ground black pepper: Freshly cracked pepper adds a gentle heat and aromatic bite that complements the creamy richness without overpowering it.
  • 1/2 tsp crushed red pepper flakes (optional): A pinch of heat wakes up the sauce and adds complexity, but skip it if you prefer a mellow, comforting bowl.

Instructions

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Prep the garlic:
Preheat your oven to 200°C (400°F) and slice the tops off each garlic bulb to expose the cloves. Set each bulb on a square of foil, drizzle generously with olive oil, and wrap them up tight like little gifts.
Roast until golden:
Slide the wrapped garlic into the oven and roast for 35 to 40 minutes until the cloves are soft, golden, and smell like heaven. Let them cool just enough to handle without burning your fingers.
Squeeze and mash:
Hold each bulb upside down over a bowl and squeeze gently so the roasted cloves pop out of their skins like warm butter. Mash them into a rough paste with a fork.
Cook the pasta:
Bring a large pot of salted water to a rolling boil and cook your pasta according to the package directions. Before draining, scoop out about 120 ml of that starchy pasta water and set it aside.
Sauté the onion:
Heat 2 tablespoons of olive oil in a large skillet over medium heat and add the chopped onion. Cook, stirring occasionally, until the onion turns translucent and starts to soften, about 5 minutes.
Add the roasted garlic:
Stir the mashed roasted garlic into the onion and let it cook for about a minute, just until it releases that sweet, toasted aroma. Don't let it brown or it'll turn bitter.
Build the sauce:
Pour in the diced tomatoes, chopped basil, salt, pepper, and red pepper flakes if you're using them. Let everything simmer together for 8 to 10 minutes so the flavors meld and the sauce thickens slightly.
Stir in cream and butter:
Lower the heat and add the butter and cream, stirring until the butter melts and the sauce turns glossy and smooth. Let it simmer gently for 2 minutes, then stir in the grated Parmesan until it disappears into the sauce.
Toss with pasta:
Add the drained pasta directly to the skillet and toss everything together, adding splashes of reserved pasta water to loosen the sauce until it coats every strand. The starch helps the sauce cling beautifully.
Serve and garnish:
Divide the pasta among bowls and finish with extra fresh basil and a generous shower of Parmesan. Serve immediately while it's still steaming and glossy.
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Golden roasted garlic pasta sauce swirled onto fettuccine, garnished with Parmesan and a side salad for a hearty meal.  Save
Golden roasted garlic pasta sauce swirled onto fettuccine, garnished with Parmesan and a side salad for a hearty meal. | crunchymsemen.com

The first time I brought this to a potluck, someone asked if I'd trained in Italy. I laughed and told them I'd just learned to trust my oven and a couple bulbs of garlic. By the end of the night, three people had taken photos of the empty dish, claiming they needed proof it had been devoured. That's when I realized this wasn't just pasta, it was the kind of dish that starts conversations and ends with requests for seconds.

Making It Ahead

Roasting garlic fills your kitchen with an intoxicating smell, so I often roast extra bulbs on a Sunday and keep them in a sealed container in the fridge for up to a week. When you're ready to make the sauce, just grab your stash of golden cloves and skip straight to sautéing the onion. The sauce itself reheats beautifully on the stovetop with a splash of cream or pasta water to bring back that silky texture, and somehow it tastes even more cohesive the next day after the flavors have had time to settle in together.

Pairing Suggestions

This sauce loves a simple green salad dressed with lemon and olive oil to cut through the richness, and a hunk of crusty bread for mopping up every last bit from your bowl. I've served it with a crisp Pinot Grigio on warm evenings and a light Sauvignon Blanc when I wanted something with a little more citrus brightness. The wine doesn't have to be fancy, just cold and refreshing enough to balance the creamy, garlicky decadence on your plate.

Customizing Your Sauce

If you want to make this vegan, swap the heavy cream for cashew cream or a good oat-based alternative, use vegan butter, and skip the Parmesan or reach for a plant-based version that melts well. I've also stirred in handfuls of fresh spinach or sautéed mushrooms when I wanted more vegetables, and both disappear into the sauce like they were always meant to be there. For extra protein, shredded rotisserie chicken or crispy chickpeas folded in at the end turn this into a more substantial meal without complicating the process.

  • Add a squeeze of lemon juice at the end for brightness if your tomatoes taste too flat.
  • Toss in a handful of toasted pine nuts or walnuts for crunch and richness.
  • Use short pasta like rigatoni or penne if you prefer something that holds the sauce in its ridges instead of twirling it.
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Silky Roasted Garlic Pasta Sauce coats linguine in a skillet, steaming with aromatic basil and a drizzle of olive oil. Save
Silky Roasted Garlic Pasta Sauce coats linguine in a skillet, steaming with aromatic basil and a drizzle of olive oil. | crunchymsemen.com

This sauce has become my answer to every question that starts with what should I make tonight. It's comforting without being boring, impressive without being stressful, and it turns a handful of everyday ingredients into something that feels like a warm hug in a bowl.

Recipe FAQ

Why roast whole garlic bulbs instead of using minced garlic?

Roasting whole garlic bulbs transforms the harsh, pungent raw flavor into something naturally sweet, creamy, and mellow. The long, slow heat softens the cloves, making them spreadable and perfect for creating a smooth, integrated sauce without raw garlic bite.

Can I prepare the roasted garlic ahead of time?

Yes, roasted garlic cloves can be prepared up to one week in advance and stored in an airtight container in the refrigerator. This makes weeknight cooking faster—simply reheat gently and proceed with the sauce.

What pasta shapes work best with this sauce?

Spaghetti, linguine, and fettuccine are ideal choices as their flat or thin profiles capture the creamy sauce beautifully. Penne or rigatoni also work well if you prefer tube shapes that hold sauce in their centers.

How do I achieve the right sauce consistency?

Reserve pasta water before draining and add it gradually while tossing with the cooked pasta. The starch in pasta water helps the sauce cling to noodles and creates a silky coating. Add more if needed for a looser consistency.

How do I make this sauce vegan-friendly?

Substitute the heavy cream with plant-based alternatives like oat or cashew cream, replace butter with olive oil or vegan butter, and use nutritional yeast or a vegan Parmesan alternative for the same savory depth and richness.

What wine pairs well with this dish?

Crisp white wines like Pinot Grigio or Sauvignon Blanc complement the roasted garlic and cream beautifully. Their acidity cuts through the richness while enhancing the subtle sweetness of the roasted garlic.

Roasted Garlic Pasta Sauce

Whole garlic bulbs roasted until sweet and mellow, blended into a creamy, aromatic sauce with tomatoes and fresh basil.

Prep Time
10 minutes
Time to Cook
50 minutes
Overall Time
60 minutes
Created by Ethan Reynolds


Skill Level Easy

Cuisine Italian

Makes 4 Portion Size

Diet Details Meatless

What You’ll Need

Vegetables

01 3 large whole garlic bulbs
02 1 medium yellow onion, finely chopped
03 14 oz canned diced tomatoes
04 2 tablespoons fresh basil, chopped, plus extra for garnish

Dairy

01 1/4 cup heavy cream
02 2 tablespoons unsalted butter
03 1/4 cup grated Parmesan cheese, plus more for serving

Pantry

01 12 oz dried pasta such as spaghetti, linguine, or fettuccine
02 2 tablespoons olive oil, plus extra for drizzling
03 1/2 teaspoon salt
04 1/4 teaspoon freshly ground black pepper
05 1/2 teaspoon crushed red pepper flakes, optional

Directions

Step 01

Prepare and roast garlic: Preheat oven to 400°F. Slice the tops off garlic bulbs to expose cloves. Place each bulb on foil, drizzle with olive oil, wrap tightly, and roast for 35-40 minutes until golden and soft.

Step 02

Extract roasted garlic: Allow roasted garlic to cool slightly. Squeeze cloves from their skins into a bowl and mash to a smooth paste.

Step 03

Cook pasta: Bring salted water to a boil in a large pot. Add pasta and cook according to package instructions. Reserve 1/2 cup of pasta cooking water before draining.

Step 04

Sauté aromatics: Heat 2 tablespoons olive oil in a large skillet over medium heat. Add chopped onion and sauté until translucent, approximately 5 minutes.

Step 05

Incorporate roasted garlic: Stir mashed roasted garlic into the onions and cook for 1 minute until fragrant.

Step 06

Build sauce base: Add diced tomatoes, basil, salt, pepper, and red pepper flakes if using. Simmer for 8-10 minutes to allow flavors to meld.

Step 07

Finish sauce with cream and cheese: Stir in butter and cream. Simmer for 2 minutes, then add Parmesan cheese and stir until melted.

Step 08

Combine pasta and sauce: Toss cooked pasta into the sauce, adding reserved pasta water as needed to achieve desired creaminess.

Step 09

Serve: Transfer to serving dishes immediately. Garnish with additional fresh basil and grated Parmesan cheese.

What You’ll Need

  • Chef's knife
  • Cutting board
  • Baking tray and aluminum foil
  • Large pot
  • Large skillet
  • Wooden spoon

Allergy Advice

Always review each component for allergens and check with your healthcare provider with any concerns.
  • Contains dairy: cream, butter, and Parmesan cheese
  • Contains gluten: wheat pasta
  • Check cream and cheese labels for potential hidden allergens

Nutrition per serving

For general awareness only — not a substitute for guidance from your doctor.
  • Kcal: 470
  • Fats: 16 grams
  • Carbohydrates: 68 grams
  • Proteins: 14 grams