Roasted Garlic Pasta Sauce

Featured in: Warm Everyday Dinners

This roasted garlic pasta sauce transforms whole garlic bulbs into sweet, mellow cloves through oven roasting, then blends them with cream, tomatoes, and Parmesan for a silky, aromatic sauce. The garlic is roasted at 200°C for 35-40 minutes until golden, then combined with sautéed onions, basil, and cream for a rich, comforting Italian dish ready in just 1 hour.

Updated on Thu, 15 Jan 2026 15:41:00 GMT
Roasted Garlic Pasta Sauce in a creamy bowl, garnished with fresh basil and grated Parmesan, steaming softly. Pin This
Roasted Garlic Pasta Sauce in a creamy bowl, garnished with fresh basil and grated Parmesan, steaming softly. | duneoven.com

The first time I made this roasted garlic pasta sauce, my kitchen filled with an aroma so intoxicating that my neighbor actually knocked on my door to ask what I was cooking. There's something magical about how garlic transforms when roasted, mellowing from sharp and pungent to caramelized and sweet. I discovered this recipe during a particularly cold winter when I craved comfort food but wanted something more sophisticated than my usual marinara.

Last autumn, I made this for a small dinner gathering at my place, and the conversation literally stopped when everyone took their first bite. My friend Marco, who typically critiques everything I cook with his Italian grandmother standards, actually asked for seconds and then the recipe. I watched people dip bread into the remaining sauce on their plates, not wanting to waste a single drop of that velvety, aromatic goodness.

Ingredients

  • 3 large whole garlic bulbs: The star of our show, these transform from sharp and pungent to sweet and nutty when roasted, creating the foundation of our sauce.
  • 1 medium yellow onion, finely chopped: Creates a savory base that complements the garlic without overpowering it.
  • 1 can diced tomatoes: Provides acidity and body to balance the richness of the roasted garlic and cream.
  • Heavy cream and butter: These create that luxurious, silky texture that clings beautifully to each strand of pasta.
  • Parmesan cheese: Adds a nutty, salty dimension that rounds out all the flavors.
  • Fresh basil: Brightens the sauce with its aromatic freshness, cutting through the richness.
  • 350g dried pasta: Long pasta like spaghetti or fettuccine works best as it really showcases the clingy, creamy sauce.

Instructions

Prepare the garlic:
Preheat your oven to 200°C and slice the tops off each garlic bulb to expose those beautiful cloves hiding inside. The kitchen will start to fill with anticipation as you wrap each bulb in foil with a generous drizzle of olive oil.
Roast to golden perfection:
Pop those foil parcels into the oven for about 35-40 minutes until they become golden and soft. Your home will gradually fill with the most incredible aroma as they transform.
Extract liquid gold:
Once cooled slightly, squeeze each clove from its papery skin into a bowl, watching as they emerge like soft, amber jewels. Mash them into a paste and prepare to be amazed by their mellow sweetness.
Start the sauce base:
While your pasta cooks in salted water, sauté the chopped onion in olive oil until it becomes translucent and soft. The sound of it sizzling in the pan is one of my favorite kitchen melodies.
Build the flavors:
Stir in that gorgeous roasted garlic paste and breathe in the heavenly fragrance. Add tomatoes, basil, and seasonings, allowing everything to simmer together like old friends catching up.
Create creaminess:
Transform the sauce with butter, cream, and Parmesan, watching as it becomes silky and luxurious before your eyes. The color shifts to a beautiful blush orange that promises comfort in every bite.
Bring it all together:
Toss your cooked pasta directly into the sauce, adding splashes of that starchy pasta water as needed. The sauce will wrap around each strand like a warm hug.
A skillet of Roasted Garlic Pasta Sauce being tossed with linguine, with roasted garlic bulbs nearby. Pin This
A skillet of Roasted Garlic Pasta Sauce being tossed with linguine, with roasted garlic bulbs nearby. | duneoven.com

One evening while making this sauce, my power went out right as I was finishing up. We ended up serving it by candlelight, and somehow that unexpected moment turned a simple pasta dinner into one of my most treasured memories. The garlic and butter aromas seemed even more pronounced in the darkness, and everyone kept commenting on how the simplest ingredients had created something so memorable.

Make-Ahead Options

Ive learned through multiple dinner parties that roasting the garlic a day or two ahead is a brilliant time-saver. Those soft, caramelized cloves keep perfectly in the fridge for up to a week, stored in a small container with a thin layer of olive oil on top. This prep step alone cuts the active cooking time nearly in half when youre ready to make the actual sauce, and Ive found the flavors actually deepen slightly with that extra time to meld.

Serving Suggestions

After experimenting with countless side dishes, Ive found that this rich sauce pairs beautifully with something bright and acidic to cut through the creaminess. A simple arugula salad with lemon vinaigrette creates that perfect contrast, while a side of roasted broccoli or asparagus adds a welcome textural element. For the complete Italian experience, have some crusty bread ready for that inevitable moment when youll want to sop up every last drop of sauce from your plate.

Variations To Try

Over the years, Ive played with this recipe like a favorite melody, sometimes adding new notes that surprise and delight. My summer version incorporates a handful of burst cherry tomatoes for pops of brightness, while my fall adaptation includes a few roasted mushrooms for earthiness and depth.

  • For seafood lovers, fold in some sautéed shrimp or scallops at the final moment for an elegant twist.
  • A spoonful of pesto stirred in at the end creates an herbaceous dimension that complements the roasted garlic beautifully.
  • For a lighter version, replace half the cream with unsweetened almond milk and reduce the butter by half.
Close-up of Roasted Garlic Pasta Sauce coating pasta strands, a rustic Italian-inspired meal ready to serve. Pin This
Close-up of Roasted Garlic Pasta Sauce coating pasta strands, a rustic Italian-inspired meal ready to serve. | duneoven.com

This roasted garlic pasta sauce has become my signature dish, the one friends request when they visit. Its a beautiful reminder that cooking isnt always about complexity, but about giving simple ingredients the time and care they deserve to shine.

Recipe FAQ

How do I prevent the garlic from burning during roasting?

Wrap the garlic bulbs tightly in foil with a drizzle of olive oil. This creates a steaming environment that keeps the cloves moist while they caramelize. Check at 35 minutes - they should be golden and soft, not dark brown.

Can I make the roasted garlic ahead of time?

Yes, roasted garlic stores well in an airtight container in the refrigerator for up to 1 week. You can also freeze it for up to 3 months, making meal prep even easier.

What pasta shapes work best with this sauce?

Long pasta like spaghetti, linguine, or fettuccine works beautifully as the creamy sauce coats each strand. Penne or rigatoni are also excellent choices as the sauce gets into the tubes.

How can I make this sauce vegan?

Substitute the heavy cream with cashew cream or coconut cream, use vegan butter, and replace Parmesan with nutritional yeast or a plant-based Parmesan alternative for similar umami flavor.

Why is my sauce too thick or too thin?

Use the reserved pasta water to adjust consistency. Add it gradually, one tablespoon at a time, until you reach your desired creaminess. The starch in pasta water also helps the sauce cling better.

What wine pairs best with this dish?

A crisp white wine like Pinot Grigio or Sauvignon Blanc complements the creamy richness perfectly. The acidity cuts through the butter and cream while enhancing the roasted garlic sweetness.

Roasted Garlic Pasta Sauce

Sweet roasted garlic blended into creamy sauce with tomatoes, basil, and Parmesan for comforting Italian pasta.

Prep Time
10 minutes
Cook Time
50 minutes
Total Duration
60 minutes
Published by Dune Oven Sara Whitfield

Recipe Category Warm Everyday Dinners

Skill Level Easy

Cuisine Type Italian

Servings Made 4 Portions

Dietary Details Vegetarian-Friendly

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 (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 (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)

How To Make It

Step 01

Preheat Oven: Preheat the oven to 400°F.

Step 02

Prepare Garlic for Roasting: Slice the tops off the garlic bulbs to expose the cloves. Place each bulb on a piece of foil, drizzle with olive oil, and wrap tightly.

Step 03

Roast Garlic: Roast the garlic bulbs in the oven for 35–40 minutes until golden and soft. Allow to cool slightly.

Step 04

Process Roasted Garlic: Squeeze the roasted garlic cloves from their skins into a bowl and mash to a paste.

Step 05

Cook Pasta: Cook the pasta in salted boiling water according to package instructions. Reserve 1/2 cup of pasta water before draining.

Step 06

Sauté Onions: In a large skillet, heat 2 tablespoons olive oil over medium heat. Add the chopped onion and sauté until translucent, about 5 minutes.

Step 07

Add Roasted Garlic: Stir in the mashed roasted garlic and cook for 1 minute until fragrant.

Step 08

Build Tomato Base: Add the diced tomatoes, basil, salt, pepper, and red pepper flakes (if using). Simmer for 8–10 minutes to blend flavors.

Step 09

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

Step 10

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

Things You'll Need

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

Allergens

Review every ingredient for allergens and speak with a healthcare provider when unsure.
  • Contains dairy (cream, butter, Parmesan) and wheat (pasta). Check cheese and cream labels for possible hidden allergens if sensitive.

Nutrition Details (per serving)

Nutrition is for your information and isn’t meant as medical advice.
  • Calories: 470
  • Fats: 16 g
  • Carbohydrates: 68 g
  • Proteins: 14 g