Ingredients
- 2 tablespoons butter
- 1 tablespoon olive oil
- ¼ cup finely chopped onion
- 1 large clove garlic, minced
- 3 tablespoons all-purpose flour
- 1 cup milk, or more as needed
- ½ cup grated Parmesan cheese
- 2 tablespoons minced fresh basil
- ½ teaspoon chopped fresh oregano (Optional)
- ¼ teaspoon salt
- ⅛ teaspoon ground black pepper
Instructions
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Gather all ingredients.
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Heat butter and olive oil in a small saucepan over medium heat; stir in onion and garlic. Whisk in flour until lightly browned and onion is tender, about 2 minutes.
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Add 1 cup milk, Parmesan cheese, basil, oregano, salt, and black pepper; cook, whisking continuously, until cheese is melted and sauce has thickened slightly, about 5 minutes.
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Add more milk if sauce is too thick. Remove from heat.
- Prep Time: 10 minutes
- Cook Time: 8 minutes
- Category: Sauce
- Cuisine: Italian-American
Nutrition
- Serving Size: 5
- Calories: 146 per serving