This Creamy Red Pepper Alfredo Pasta is a deliciously rich and flavorful dish that combines the smoky sweetness of roasted red peppers with the creamy decadence of a classic Alfredo sauce. Made with keto-friendly noodles, this dish is perfect for a comforting, low-carb meal that feels indulgent without the guilt.

Why You’ll Love This Recipe

Keto-friendly & low-carb – Uses alternative noodles like zucchini noodles or shirataki for a low-carb twist.
Creamy & flavorful – The combination of roasted red peppers and Alfredo sauce is incredibly rich and satisfying.
Quick & easy – Ready in under 30 minutes with simple ingredients.
Customizable – Add chicken, shrimp, or veggies for extra protein and nutrients.
Great for meal prep – The sauce stores well, making it easy to reheat for a fast, delicious meal.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

Creamy Red Pepper Alfredo Pasta (Keto & Low-Carb) 10 This Creamy Red Pepper Alfredo Pasta is a deliciously rich and flavorful dish that combines the smoky sweetness of roasted red peppers with the creamy decadence of a classic Alfredo sauce. Made with keto-friendly noodles, this dish is perfect for a comforting, low-carb meal that feels indulgent without the guilt.

Roasted red peppers (jarred or homemade)
Heavy cream
Butter
Cream cheese
Parmesan cheese (grated)
Garlic (minced)
Olive oil
Salt & pepper
Italian seasoning
Red pepper flakes (optional, for spice)
Keto-friendly pasta (zucchini noodles, shirataki noodles, or hearts of palm pasta)

Directions

Prepare the noodles – If using shirataki noodles, rinse and drain them well, then lightly sauté in a dry pan for 2-3 minutes. If using zucchini noodles, lightly sauté or serve raw for a fresh texture.
Blend the sauce – In a blender, combine roasted red peppers, heavy cream, and cream cheese. Blend until smooth.
Cook the sauce – In a pan over medium heat, melt butter and sauté garlic until fragrant. Pour in the blended red pepper mixture.
Add cheese & seasonings – Stir in Parmesan cheese, salt, pepper, Italian seasoning, and red pepper flakes. Simmer for 5 minutes until thick and creamy.
Combine with noodles – Toss the prepared noodles in the sauce, coating evenly.
Serve & garnish – Plate the pasta and top with extra Parmesan and fresh basil, if desired.

Servings and Timing

Servings: 4
Prep time: 10 minutes
Cook time: 15 minutes
Total time: 25 minutes

Variations

Protein boost – Add grilled chicken, shrimp, or sausage for extra protein.
Dairy-free option – Use coconut cream and nutritional yeast instead of dairy-based ingredients.
Spicy kick – Increase red pepper flakes or add cayenne for extra heat.
Nutty twist – Blend in a tablespoon of almond butter for extra creaminess.
Extra veggies – Toss in spinach, mushrooms, or broccoli for more nutrients.

Storage/Reheating

Refrigerator: Store in an airtight container for up to 3 days.
Freezer: Freeze the sauce separately for up to 2 months. Thaw in the fridge before reheating.
Reheating: Warm in a saucepan over low heat, adding a splash of cream or water to thin if needed.

FAQs

Is red pepper Alfredo sauce keto-friendly?

Yes! The sauce is made with roasted red peppers, cream, butter, and cheese, all of which are keto-friendly.

What’s the best low-carb pasta for this recipe?

Shirataki noodles, zucchini noodles, or hearts of palm pasta are great keto alternatives.

Can I use fresh red peppers instead of jarred ones?

Yes! Simply roast fresh red bell peppers in the oven at 400°F until charred, then peel and blend.

How do I thicken the sauce if needed?

Let it simmer longer or add more Parmesan cheese for a thicker consistency.

Can I make this dairy-free?

Yes! Use coconut cream instead of heavy cream and nutritional yeast instead of Parmesan.

How do I make the sauce smoother?

Blend it thoroughly in a high-speed blender for an ultra-creamy texture.

Is this dish spicy?

Not by default, but you can add red pepper flakes or cayenne for extra heat.

Can I use store-bought Alfredo sauce?

Yes, but make sure it’s keto-friendly and free from added sugars or starches.

How can I prevent the sauce from separating?

Use full-fat ingredients and avoid overheating the sauce. Stir continuously for a smooth texture.

What proteins pair well with this dish?

Grilled chicken, shrimp, salmon, or Italian sausage all complement the creamy sauce beautifully.

Conclusion

This Creamy Red Pepper Alfredo Pasta is a rich, satisfying dish that brings a unique twist to traditional Alfredo. With its velvety texture, bold flavors, and keto-friendly ingredients, it’s a perfect meal for any occasion. Whether you enjoy it as a quick weeknight dinner or a meal-prep option, this dish will keep you coming back for more.