- 1 1/2 tablespoons butter
- 1 tablespoon cornstarch
- 1/2 cup milk, or more as needed
- 1 1/2 cups shredded Cheddar cheese
- 2 tablespoons cream cheese
- 1 teaspoon taco seasoning mix
- 1/2 teaspoon hot pepper sauce
- Melt butter in a saucepan over medium-high heat. Whisk in cornstarch until paste forms, 30 seconds to 1 minute. Whisk in milk gradually until smooth, 1 to 2 minutes. Simmer until thickened to sauce consistency, about 2 minutes.
- Whisk Cheddar cheese, cream cheese, taco seasoning, and hot sauce into milk mixture until smooth, 1 to 2 minutes more. Add more milk as needed for desired consistency. Keep warm until ready to use.