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Low Carb and Keto Homemade Alfredo Sauce with Basil Pesto in a jar.

Homemade Alfredo Sauce with Basil Pesto

AMAZING Homemade Alfredo Sauce prepared with cream, parmesan cheese, and Basil Pesto!

Blue: 9   Green: 9   Purple: 9   Freestyle: 9
Course Side Dish, Sauce, Condiments
Cuisine Italian
Prep Time 2 minutes
Cook Time 8 minutes
Resting Time 3 minutes
Total Time 10 minutes
Servings 8 servings
Calories 202 kcal


  • 1 tablespoon butter
  • 4 cloves garlic, minced
  • 1-1/2 cups Heavy Cream
  • 1/2 cup grated parmesan cheese
  • 1 tablespoon (or to taste) basil pesto
  • salt and fresh ground pepper, to taste


  1. Melt butter in a skillet or saucepan over medium heat.
  2. Stir in garlic and cook for 20 seconds, or until fragrant.
  3. Whisk in the heavy cream and bring to a simmer; continue to cook for 4 to 5 minutes, or until sauce is reduced and begins to thicken.
  4. Set heat to LOW and whisk in the parmesan cheese.
  5. Whisk in the basil pesto and continue to cook over low heat until smooth and creamy.
  6. Season with salt and pepper; taste for seasonings and pesto, and adjust accordingly.
  7. If sauce is too thin, add a little more parmesan cheese.
  8. If sauce is too thick, whisk in more cream or water.
  9. Remove from heat and let stand 5 minutes.
  10. Serve right away or let completely cool and refrigerate.

Recipe Notes




  • Let sauce cool down completely.
  • Store in an airtight container or jar with a lid. 
  • Keep in the fridge for up to 1 week. 



  • Store in an airtight container or heavy-duty freezer bags and keep in the freezer for up to 3 months.
Nutrition Facts
Homemade Alfredo Sauce with Basil Pesto
Amount Per Serving (2 tablespoons)
Calories 202 Calories from Fat 180
% Daily Value*
Fat 20g31%
Saturated Fat 12g60%
Cholesterol 70mg23%
Sodium 142mg6%
Potassium 47mg1%
Carbohydrates 2g1%
Fiber 0g0%
Sugar 0g0%
Protein 3g6%
Vitamin A 790IU16%
Vitamin C 0.7mg1%
Calcium 104mg10%
Iron 0.1mg1%
* Percent Daily Values are based on a 2000 calorie diet.