two bowls of rigatoni pasta tossed with roasted red pepper cream sauce
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COOK: Creamy Roasted Red Pepper Sauce with Rigatoni

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This creamy roasted red pepper sauce is fantastic on rigatoni (and plenty of other pasta shapes). But what you’ll really love is how easy and fast it is to get on the table. It’s a rich vegetarian sauce that’s luscious and flavorful and coats the rigatoni without being overwhelming… and you can make it with common pantry ingredients!

If you want a heartier meal than just the pasta and sauce, you can add in roasted diced zucchini, fresh washed baby spinach, or sauteed mushrooms. Or bulk up the protein with some cooked and crumbled or sliced Italian sausage (or veggie sausage), or diced rotisserie chicken.

But it’s not just a pasta sauce!

This roasted red pepper cream sauce is also great on roasted cauliflower, diced summer squash and zucchini, or potatoes, or pair it with meat to make an even more substantial meal. Try it as a simmer sauce for chicken (add the cream at the end of cooking for this). Brown the chicken before adding the sauce to the pan, then cover and simmer until the chicken is cooked through. Add the cream to the sauce at the end if you want to make sure the sauce doesn’t break before the chicken is done, and serve over pasta or with rice pilaf or couscous. Or, for an even easier meal, jazz up your next rotisserie chicken. You can even use it instead of tomato sauce on a homemade pizza.

Rigatoni & Roasted Red Pepper Cream Sauce Ingredients

labeled photo of all ingredients for roasted red pepper cream sauce rigatoni

Red Peppers:

To make the simplest version of this sauce, you’ll need a large jar of roasted red peppers. Puree these with the liquid in the jar, and pour it into the sauce. You can also roughly chop them, and then puree the whole sauce once it’s simmered and before adding the cream. An immersion blender makes this a snap, although you can also use a regular blender or food processor (or a food mill, though that’s much less convenient). Or, make a rustic chunky version, and just chop the peppers (you may want to reduce the liquid added if you go this route).

pureeing the red pepper sauce with an immersion blender

To make the sauce with fresh red peppers, roast 3-5 red sweet bell peppers or other sweet pepper on a gas stovetop, grill, or under your broiler until the skin is charred and the peppers are soft. Place the peppers in a covered container or plastic bag to steam while they cool enough to handle. The skins should slip right off! Remove the stems and seeds, and chop the peppers.

You’ll need about a cup and a half of pepper puree (it’s ok if it’s not exact, just adjust your other ingredients slightly or to taste). If you use fresh peppers, you’ll need to add additional liquid to the sauce to make the puree. Vegetable stock, chicken stock, or even water will work. Start with about a half cup, and thin the sauce with more liquid if it’s thicker than you want (or add more cream at the end for an even richer sauce).

Alliums:

Medium diced onions (1/2″ cubes) and sliced or chopped garlic if you want to puree the sauce, otherwise, small dice (1/4″) your onions and mince your garlic. I use yellow onions in this sauce, though you could also use sweet or white onions, or even red. I add a bit more garlic flavor and depth with a small amount of dried garlic powder (not garlic salt).

Fat:

I like to use butter in this sauce, but you can also use a good quality olive oil if you prefer that to saute the onions and garlic. I also like to toss my hot pasta with a tablespoon or two of butter or oil after draining so it doesn’t stick together before adding the sauce, and also to give a little extra richness.

Tomato:

Just a touch of tomato paste is all you’ll need for this recipe. It adds vibrant color, but most importantly, sweetness and a depth of flavor. It also helps add body and thickness to the sauce. You can use tomato concentrate in a tube (which stays fresh longer in the fridge once opened) or part of a can of tomato paste.

Whenever I open a can of tomato paste, I freeze any unused portions. Scoop out one tablespoon dollops (in a sealed plastic container, or freeze flat on a sheet pan lined with a silpat or plastic wrap, and peel off once they freeze). Store these in a small airtight container or ziploc bag in your freezer for easy portioning into recipes!

Dairy:

Fresh heavy cream is best. In a pinch, you can use half and half, or even evaporated milk or shelf-stable canned or tetra-pak cream, if you are making a meal with just pantry-stable ingredients. It will be a little less rich, and changes the flavor a bit, but it’s still better than a commercial jarred sauce.

Seasonings:

As always, you can adjust these to taste. I use a small amount of sugar (about two teaspoons) to balance the acidity of the peppers and the tomato paste and round out the flavor of the sauce. A bit of fresh or dried oregano, thyme, garlic powder, and red pepper flakes, and salt and freshly ground black pepper to taste. That’s it! It’s simple, but tastes great.

Pasta:

You’ll get the best results with a good quality Italian pasta. We like this sauce on rigatoni (we call them, “fat noods” in our house), but you can put it on just about any shape you like! The sauce has a thick texture that sticks well to most pasta, though I think ones with ridges (like penne or rigatoni) or twists (like cassarecce, gemelli, or fusilli) are particularly nice for grabbing the sauce.
stirring a swirl of heavy cream into the roasted red pepper sauce

Meal Prep and Make-ahead Tips

You can make this creamy roasted red pepper sauce ahead of time and keep it in the fridge for up to four days. Reheat it gently in the microwave or on the stove top, or eat it cold as a veggie dip or sandwich spread! The sauced pasta is best served hot from the stove, but you can refrigerate leftovers in a tightly covered container for three to four days.

Because it contains cream, it won’t freeze well (it will be safe to eat if you have to freeze it, but the texture won’t be as nice as the cream will probably “break” in the sauce and separate). You can freeze the sauce without the cream, and add the cream after you heat it back up.

a pot of cooked rigatoni next to a pot of roasted pepper cream sauce

two bowls of rigatoni pasta tossed with roasted red pepper cream sauce

Rigatoni with Creamy Roasted Red Pepper Sauce

This creamy roasted red pepper sauce is fantastic on rigatoni (and plenty of other pasta shapes). But what you'll really love is how easy and fast it is to get on the table. It's a rich vegetarian sauce that's luscious and flavorful and coats the rigatoni without being overwhelming... and you can make it with common pantry ingredients!
5 from 1 vote
Prep Time 10 minutes
Cook Time 20 minutes
Course Dinner, Main Course, Side Dish
Cuisine Contemporary, Italian, Mediterranean
YIELD 6

Ingredients
  

Creamy Roasted Red Pepper Sauce

  • 1 ½ cups roasted red peppers (large jar, roughly chopped, with liquid, or pureed, or 4-6 roasted whole sweet peppers, peeled and seeded)
  • 1 small onion, peeled & diced
  • 2 tbsp butter or extra virgin olive oil
  • 4 large garlic cloves
  • 2 tbsp tomato paste or concentrate
  • 2 tsp sugar
  • 1 tsp dried oregano
  • ¾ tsp dried red pepper flakes (or to taste)
  • ½ tsp dried thyme leaves
  • ½ tsp dried garlic powder (optional)
  • salt and pepper to taste
  • ¾ cup heavy cream (pantry sub: canned table cream or evaporated milk)

Pasta

  • 1 lb rigatoni (or other short ridged pasta)
  • salt (to taste, for water)

Instructions
 

  • Bring a large pot of salted water to a boil (cover for faster results). Assemble all of your ingredients, dicing the onions and peeling & chopping the garlic.
    labeled photo of all ingredients for roasted red pepper cream sauce rigatoni
  • In a medium saucepan, sweat the diced onions in the butter or olive oil over medium-high heat until they are translucent and beginning to color, stirring or shaking the pan frequently. Add the dried herbs, garlic powder, and red pepper flakes, along with a pinch of salt and some fresh black pepper.
  • Add the chopped garlic and saute until fragrant, about 30 seconds. Add the tomato paste and sugar and continue to stir and saute until they are combined.
  • Add the roasted peppers (or roasted pepper puree) to the pot. For a smooth, creamy sauce, puree all the ingredients (except the cream) together with an immersion blender (or by carefully transferring them to a regular blender and then back to the pot).
    pureeing roasted red pepper sauce with an immersion blender
  • Simmer this sauce and let it reduce for 10-15 minutes to allow the flavors to combine. Stir regularly.
  • While the sauce is simmering, cook your pasta for the time specified on the package.
  • Drain your pasta, reserving and setting aside about a cup of the pasta water. If you like, toss the drained pasta with a couple tablespoons of butter or olive oil. If you aren't serving the pasta immediately, this will help keep it from sticking, and also adds richness and flavor.
    a pot of cooked rigatoni next to a pot of roasted red pepper cream sauce
  • Add the cream to the sauce, stir, and then pour the cream sauce into your pasta. If needed, add a splash of the pasta cooking water as you mix the pasta together to get the sauce to coat the pasta evenly. You may not need the pasta water (Discard or refrigerate any unused pasta water)!
    stirring a swirl of heavy cream into the roasted red pepper sauce
  • Plate and serve your pasta immediately. You can garnish your pasta with grated Parmesan cheese or fresh basil, or just a bit of freshly grated black pepper or some red pepper flakes, if you like.
    two bowls of rigatoni pasta tossed with roasted red pepper cream sauce
Keyword 30-minute meal, comfort food, easy, pantry meal, pasta, vegetarian
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