There are a few effective methods to thicken your Alfredo sauce: 1. Cornstarch Slurry: Create a slurry: Combine equal parts cornstarch and cold water in a small bowl. Add to sauce: Gradually whisk the slurry into the Alfredo sauce, stirring constantly. Cook and thicken: Bring the sauce to a simmer, stirring continuously until the desired thickness is reached. 2. More Cheese: Rich and Creamy: Adding more grated Parmesan cheese can thicken the sauce while enhancing its flavor. Gradual Addition: Incorporate the cheese gradually, stirring until melted and incorporated. 3. Reducing the Sauce: Simmer and Reduce: Simmer the Alfredo sauce over low heat until it reaches your desired consistency. This method concentrates the flavors. Important Tips: Low Heat: Avoid high heat, as it can cause the sauce to separate. Constant Stirring: Continuous stirring prevents lumps and ensures a smooth texture. Taste as You Go: Add thickener gradually, tasting as you go to avoid overthickening. By following these methods, you can achieve the perfect thickness for your Alfredo sauce.