Roasted Garlic Pasta Sauce

Featured in: Rustic Everyday Skillet Plates

This creamy pasta sauce showcases whole garlic bulbs roasted until golden and sweet, then mashed and simmered with diced tomatoes, fresh basil, and heavy cream. The garlic becomes mellow and fragrant during roasting, creating a luxurious base that's both elegant and simple to prepare. Toss with your favorite pasta shape and finish with Parmesan cheese and fresh basil.

Updated on Fri, 16 Jan 2026 15:01:00 GMT
Golden roasted garlic cloves being squeezed from their skins into a bowl, creating a sweet, aromatic paste for homemade pasta sauce. Save to Pinterest
Golden roasted garlic cloves being squeezed from their skins into a bowl, creating a sweet, aromatic paste for homemade pasta sauce. | mossbasil.com

I discovered the magic of roasted garlic pasta sauce on a rainy Sunday when I had nothing but basics in my pantry. The transformation of sharp, pungent garlic bulbs into something sweet and mellow in the oven still amazes me. My kitchen filled with that incredible caramelized aroma as I peeled the soft, golden cloves. What started as a simple experiment has become one of my most requested dishes when friends come over.

Last autumn I made this for my sister who was visiting after a difficult breakup. We sat at the kitchen counter, twirling pasta onto our forks, and I watched as the warmth of the meal seemed to lift something from her shoulders. She asked for the recipe before leaving, texting me a week later that she had made it twice already for herself. Sometimes comfort really can be as simple as roasted garlic and cream.

Ingredients

  • 3 large whole garlic bulbs: Look for firm bulbs with tight skin the fresher the garlic the sweeter it becomes when roasted.
  • 1 medium yellow onion: Yellow onions provide the perfect background sweetness dont substitute with sharper red onions here.
  • 400g can diced tomatoes: The tomatoes balance the richness with acidity I sometimes use fire roasted for extra depth.
  • Heavy cream: This creates that silky mouthfeel that makes the sauce cling beautifully to each strand of pasta.
  • Dried pasta: Long shapes like linguine or fettuccine catch more of this luxurious sauce in their strands.

Instructions

Roast the garlic:
Slice the tops off the garlic bulbs just enough to expose the cloves inside. Wrap each oil drizzled bulb in foil like little treasure parcels and roast at 200°C for 35 40 minutes until they smell like heaven and yield to gentle pressure.
Extract the gold:
Once cooled slightly squeeze each bulb from the bottom up to push out those buttery soft cloves. They should slide right out turning into a spreadable paste with minimal mashing.
Build the foundation:
Sauté the onions until they become translucent and sweet about 5 minutes. When you add the garlic paste it will release a new wave of aroma that signals the real magic is starting.
Create the sauce:
Once the tomatoes go in I like to let everything simmer together so the flavors meld. Adding the butter and cream transforms it from a tomato sauce to something entirely more luxurious.
Marry with pasta:
Toss the cooked pasta directly into your sauce with a splash of that starchy pasta water. This step isnt just about coating the pasta its about the sauce and pasta becoming one delicious entity.
Creamy Roasted Garlic Pasta Sauce simmering in a skillet with diced tomatoes, fresh basil, and onions, bubbling on the stove. Save to Pinterest
Creamy Roasted Garlic Pasta Sauce simmering in a skillet with diced tomatoes, fresh basil, and onions, bubbling on the stove. | mossbasil.com

My neighbor knocked on my door the first time I made this sauce wondering what the incredible smell was. I ended up inviting her in for an impromptu dinner where we chatted for hours over bowls of pasta. We barely knew each other before that night but something about sharing this particular meal opened the door to what has become a cherished friendship. Food really does have that power sometimes.

Make Ahead Options

I often roast extra garlic bulbs on the weekend and keep them in a small container in the fridge. Having that ready to go makes this sauce possible even on busy weeknights when I need something comforting but dont have a full hour. The roasted cloves keep beautifully for up to a week and can be used in everything from this sauce to spreading on toast or mixing into mashed potatoes.

Perfect Pairings

Through many dinner parties Ive discovered this pasta begs for something crisp and acidic on the side to balance its richness. A simple arugula salad with lemon dressing cuts through the creamy sauce beautifully. For wine I gravitate toward a bright Pinot Grigio or Sauvignon Blanc that wont compete with the delicate garlic notes but will cleanse the palate between bites.

Variations to Try

After making this sauce countless times Ive played with many adaptations that keep it exciting. Adding a handful of sundried tomatoes brings a concentrated umami punch that intensifies everything. Spring peas stirred in at the last minute add beautiful color and sweet pops of texture. For a heartier version I sometimes brown Italian sausage before the onion step for a meaty dimension that transforms it into Sunday supper territory.

  • For extra depth try adding a splash of white wine after sautéing the onions letting it reduce before continuing.
  • A pinch of nutmeg added with the cream brings out the dairy richness in an unexpected way.
  • For garlic lovers roast an extra bulb and stir half of it in right at the end for layers of garlic flavor.
A plate of spaghetti tossed in silky Roasted Garlic Pasta Sauce, garnished with fresh basil and grated Parmesan cheese, ready to serve. Save to Pinterest
A plate of spaghetti tossed in silky Roasted Garlic Pasta Sauce, garnished with fresh basil and grated Parmesan cheese, ready to serve. | mossbasil.com

This roasted garlic pasta has taught me that cooking isnt always about complexity but about patience and transformation. Sometimes the simplest ingredients just need time and gentle heat to become extraordinary.

Frequently Asked Questions

How do you know when the garlic bulbs are properly roasted?

The garlic bulbs are ready when they turn golden brown and feel soft when squeezed with tongs, typically after 35-40 minutes at 200°C. The cloves should slip easily from their skins once cooled slightly.

Can this sauce be made ahead of time?

Yes, you can roast the garlic bulbs up to one week in advance and store them in the refrigerator. The complete sauce can be refrigerated for 3-4 days and reheated gently before serving with fresh pasta.

What pasta shapes work best with this sauce?

Longer, delicate shapes like spaghetti, linguine, or fettuccine are ideal as they allow the creamy sauce to coat each strand. Thicker ribbons capture more of the luxurious sauce than thinner options.

How can you adjust the sauce consistency?

Use the reserved pasta water to thin the sauce if it becomes too thick. Add it gradually while tossing to achieve your desired creaminess. The starch in the pasta water also helps the sauce cling better to the noodles.

Is there a dairy-free alternative for this sauce?

Absolutely. Replace heavy cream with plant-based alternatives like coconut or oat cream, omit the butter or use dairy-free butter, and skip the Parmesan or use a vegan cheese substitute. The roasted garlic flavor remains the star.

What wine pairs well with this dish?

Crisp white wines work beautifully—try Pinot Grigio or Sauvignon Blanc. Their acidity complements the rich, creamy sauce while the subtle fruit notes echo the sweetness of the roasted garlic.

Roasted Garlic Pasta Sauce

A silky, aromatic sauce featuring roasted garlic bulbs blended with cream and fresh basil for an easy, comforting Italian pasta dish.

Prep Time
10 minutes
Time to Cook
50 minutes
Overall Time
60 minutes
Created by Aiden Coleman


Skill Level Easy

Cuisine Italian

Makes 4 Portions

Special Diet Info Meat-Free

What You Need

Vegetables

01 3 large whole garlic bulbs
02 1 medium yellow onion, finely chopped
03 1 (14 oz) can diced tomatoes
04 2 tablespoons fresh basil, chopped

Dairy

01 1/4 cup heavy cream
02 2 tablespoons unsalted butter
03 1/4 cup grated Parmesan cheese

Pantry

01 12 oz dried pasta (spaghetti, linguine, or fettuccine)
02 2 tablespoons olive oil
03 1/2 teaspoon salt
04 1/4 teaspoon freshly ground black pepper
05 1/2 teaspoon crushed red pepper flakes

Directions

Instruction 01

Roast the Garlic: Preheat oven to 400°F. Slice tops off garlic bulbs to expose cloves. Wrap each bulb in foil, drizzle with olive oil, and seal tightly. Roast 35-40 minutes until golden and soft.

Instruction 02

Prepare Garlic Paste: Allow roasted garlic to cool slightly. Squeeze cloves from skins into a bowl and mash into a smooth paste.

Instruction 03

Cook Pasta: Boil pasta in salted water according to package directions. Reserve 1/2 cup pasta water before draining.

Instruction 04

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

Instruction 05

Build Sauce Base: Stir mashed roasted garlic into skillet and cook 1 minute until fragrant. Add diced tomatoes, basil, salt, pepper, and red pepper flakes. Simmer 8-10 minutes.

Instruction 06

Finish the Sauce: Stir in butter and cream. Simmer 2 minutes, then add Parmesan cheese until melted and incorporated.

Instruction 07

Combine and Serve: Toss cooked pasta into sauce, adding reserved pasta water as needed for desired consistency. Serve immediately with extra basil and Parmesan.

Gear Needed

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

Allergy Notice

Review all components for allergens and consult a healthcare provider if unsure.
  • Contains dairy (cream, butter, Parmesan) and wheat (pasta)
  • Check cheese and cream labels for possible hidden allergens if sensitive

Nutrition Details (per portion)

Nutritional details are for general reference and not a replacement for professional health advice.
  • Calorie Count: 470
  • Fat content: 16 grams
  • Carbohydrates: 68 grams
  • Proteins: 14 grams