Perfect cheese sauce is SO simple to make! Start with our easy technique for making a roux. | Food Network

Chicken Spaghetti with Creamy Three-Cheese Cheddar Sauce Ingredients: 12 oz spaghetti 1 ½ lb chicken breasts, sliced 2 tbsp olive oil 4 tbsp unsalted butter 1 tsp garlic powder Salt, to taste Black pepper, to taste 1 small onion, diced 4 cloves garlic, minced 2 tbsp all-purpose flour 1 cup chicken broth 1 ½ cups heavy cream 4 oz cream cheese, softened 1 cup shredded cheddar cheese 1 cup shredded mozzarella cheese ½ cup grated Parmesan cheese Chopped parsley, for garnish Instructions: Cook spaghe