Go Back

Velvety Creamy Basil Pesto Sauce

A silky, restaurant-style pesto sauce with cream and Parmesan that comes together in 15 minutes and pairs perfectly with pasta, chicken, or tortellini.
Print Recipe Pin Recipe
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Servings: 4 servings
Course: Dinner, Main Course, Sauce
Cuisine: Italian, Italian-American
Calories: 380
Ingredients Equipment Method Notes

Ingredients
  

  • 0.5 cup prepared basil pesto store-bought or homemade
  • 1 cup heavy cream or half-and-half for a lighter version
  • 0.5 cup grated Parmesan cheese freshly grated preferred
  • 1 tbsp butter
  • 2 cloves garlic minced
  • salt and black pepper to taste
  • pinch of red pepper flakes optional

Equipment

  • large skillet
  • whisk
  • Microplane or fine grater

Method
 

  1. Melt butter in a large skillet over medium heat. Add minced garlic and cook for 1 minute, stirring constantly, until fragrant and softened but not browned.
  2. Pour in the heavy cream and bring to a gentle simmer. Cook for 3 to 5 minutes, stirring occasionally, until the cream has reduced slightly and coats the back of a spoon.
  3. Reduce heat to medium-low. Stir in the basil pesto until fully incorporated. The sauce will turn a deep, creamy green.
  4. Add the grated Parmesan in two or three additions, whisking after each until fully melted and smooth before adding more.
  5. Taste and season with salt, black pepper, and red pepper flakes as needed. Remember the pesto and Parmesan already contribute saltiness.
  6. Add cooked pasta or protein directly to the skillet and toss over low heat until well coated. Add reserved pasta water one tablespoon at a time to adjust consistency if needed. Serve immediately.

Notes

Storage: Store sauce separately from pasta in an airtight container for up to 3 days. Reheat over medium-low heat with a splash of milk, cream, or water to loosen. Avoid high heat during reheating. Sauce thickens significantly when cold — this is normal. Substitutions: Use half-and-half for a lighter sauce. Add cooked chicken, shrimp, or Italian sausage for protein. Swap heavy cream with full-fat coconut milk and Parmesan with nutritional yeast for a dairy-free version. Add chopped sun-dried tomatoes for extra depth. Serving: Best over penne, linguine, cheese tortellini, pan-seared chicken, or zucchini noodles for a lower-carb option.