Add the rolled oats, cornstarch, nutritional yeast, onion powder, and salt to a Vitamix blender.
Add the entire jar of fire roasted red bell peppers including the juice, lemon juice, and liquid smoke.
Add 4 cups of water.
Blend on high speed for 5 minutes until thick and creamy.
Let the cheese sauce cool before using.
Use the cheese sauce as a topping, dip, or in recipes like enchiladas, quesadillas, mac and cheese, and more.
