Creamy Red Pepper Sauce Pasta
Creamy Red Pepper Sauce Pasta Recipe is a comforting pasta dish made with a rich homemade roasted red pepper sauce, garlic, onions and cashews. Creamy, flavourful and satisfying, this easy recipe delivers all the indulgence of a classic pasta sauce without using any cream.
If you’re looking to move beyond traditional marinara sauce, this pasta is a delicious alternative. Roasted red peppers create a naturally sweet and smoky sauce, while cashews add a silky texture and richness. As a result, the sauce feels luxuriously creamy while remaining completely dairy-free and vegan-friendly.
One of the things I love most about this Creamy Red Pepper Sauce Pasta Recipe is its simplicity. The sauce comes together with just a handful of ingredients and can be prepared in advance, making it perfect for busy weeknights. Moreover, the combination of roasted red peppers, garlic and onions creates layers of flavour that taste as though the sauce has been simmering for hours.
Over the years, I have experimented with several variations of this recipe. While the original version relied solely on roasted peppers, onions and garlic, adding cashews and a touch of lime juice transformed the sauce completely. Consequently, it became creamier, richer and more balanced in flavour.
The sauce is so delicious that I often enjoy a few spoonfuls straight from the blender. In fact, it also works beautifully as a dip, spread or sandwich filling. Whether you are preparing a quick family dinner or looking for a wholesome pasta recipe, this Creamy Red Pepper Sauce Pasta Recipe is guaranteed to become a regular part of your meal rotation.
What is Creamy Red Pepper Sauce Pasta?
Creamy Red Pepper Sauce Pasta is a pasta dish tossed in a smooth sauce made with roasted red peppers, garlic, onions and cashews. The ingredients are blended together to create a rich, velvety sauce that coats the pasta beautifully.
Unlike cream-based pasta sauces, this version relies on vegetables and nuts to achieve its creamy texture. As a result, it offers a lighter yet equally satisfying alternative to traditional creamy pasta dishes.
Why You’ll Love This Creamy Red Pepper Sauce Pasta Recipe
Rich and creamy without any cream
Naturally vegan and gluten-free sauce
Perfect for busy weeknights
Packed with flavour
Easy to prepare in advance
Family-friendly and satisfying
Great alternative to traditional tomato sauce
Moreover, the recipe uses wholesome ingredients that are readily available. In addition, the sauce freezes well, making it ideal for meal preparation. Finally, its smooth texture and vibrant colour make it appealing to both adults and children.
Ingredients You’ll Need
Red Bell Peppers
Red peppers are the star of the recipe. Most importantly, they provide sweetness, colour and the deep roasted flavour that defines the sauce.
Cashew Nuts
Cashews create the creamy texture without the need for cream. Furthermore, they add richness and body to the sauce.
Garlic
Garlic contributes depth and aroma while enhancing the overall flavour.
Onion
Onions add sweetness and help balance the acidity of the peppers.
Lime Juice
Lime juice adds brightness and helps balance the richness of the sauce.
Pasta
Pasta provides the perfect base for the creamy roasted pepper sauce. Fusilli, penne and rigatoni all work particularly well.
Serving Suggestions
Serve Creamy Red Pepper Sauce Pasta with:
Garlic Bread
Focaccia
Green Salad
Caesar Salad
Roasted Vegetables
Grilled Corn
Alternatively, serve it as a complete vegetarian meal for lunch or dinner. Likewise, it makes an excellent dish for casual entertaining and family gatherings.
What Makes This Recipe Special?
This Creamy Red Pepper Sauce Pasta Recipe stands out because it achieves a luxurious creamy texture without using cream. Unlike many rich pasta sauces, this version relies on roasted vegetables and cashews to create its silky consistency.
Moreover, the roasted peppers provide a naturally sweet and smoky flavour that sets it apart from standard tomato-based sauces. As a result, the dish feels comforting, satisfying and surprisingly wholesome.
Storage and Reheating
Store leftover pasta in an airtight container in the refrigerator for up to 3 days.
Alternatively, prepare and store the sauce separately for up to 5 days. When reheating, add a splash of water or vegetable stock if required to loosen the sauce. However, avoid overheating as this may affect the texture.
Creamy Red Pepper Sauce Pasta Recipe FAQs
Can I make the red pepper sauce in advance?
Yes. In fact, the sauce can be prepared several days ahead and stored in the refrigerator until required.
Can I freeze the sauce?
Absolutely. The sauce freezes well for up to 2 months and can be thawed overnight before use.
Can I use another type of nut?
Yes. Almonds or sunflower seeds can be used as alternatives, although cashews produce the creamiest texture.
Which pasta works best with this sauce?
Fusilli, penne, rigatoni and farfalle all work particularly well because they hold the sauce beautifully.
Other recipes you might like are
Baked Macaroni with Pineapple,
Lemon Garlic Mushroom Asparagus Pasta,
White Sauce Pasta with Vegetables,
Ingredients
For the Pasta
1 cup spaghetti
3-4 cups water
½ teaspoon olive oil
For Roasting Vegetables
2 big size red pepper (deseeded and cut in big chunks)
1 big white onion (roughly chopped)
7-8 garlic cloves
2 teaspoons extra virgin olive oil
Other Ingredients
8-10 cashew nuts
½ cup water
Juice of ½ lemon
1 teaspoon red chilli flakes
1 teaspoon extra virgin olive oil
Salt to taste
½ teaspoon white pepper
7-8 basil leaves
1 tablespoon parmesan cheese
1 teaspoon parmesan cheese for garnishing
Directions






Boil water in a large high sided pan. When it begins to boil, add the spaghetti and oil and let it boil for 7-8 minutes or until it is al-dente. (Check the boiling time on the packaging as different brands have different boiling times).
Drain the spaghetti and keep the drained water in a bowl.









Preheat the oven to 180C/Gas 4.
In a baking tray, place the red pepper, onions and garlic cloves. Sprinkle olive oil and bake them for about 10-12 minutes or until the peppers begin to form black blisters on top. Keep them aside and let it cool.
Once it is cooled, blend the roasted peppers, onions and garlic with cashew ¼ cup water, lemon juice and chilli flakes to make a smooth puree.









Heat the oil in a pan and add the red pepper sauce along with ½ cup of pasta water, salt, white pepper, basil leaves and parmesan cheese. Cook the sauce for 2-3 minutes. (If the sauce is too thick, add couple of tablespoons of pasta water to form a smooth thick consistency.)





Add the pasta and mix. You want to coat all the pasta with sauce.
Garnish with parmesan cheese and basil.
Enjoy on its own or a slice of garlic bread and/or focaccia.