In a heat safe bowl that will fit in a 6-quart slow cooker with the lid on and hold all of your ingredients, pour in 1 cup half-and-half, 2/3 cup canned Cheddar cheese soup and 1/4 cup melted butter and stir until completely combined.
Add in 8 oz pkg Velveeta (cut into small cubes) and 2 1/2 cups rotini pasta (cooked al dente and drained) and stir.
Cover and cook on low for 2-3 hours or high for 1-1.5 hours, stirring halfway through the cooking time. It is done when the cheese is melted.
If desired, sprinkle 1/4 cup Italian bread crumbs on top of the servings.
Notes
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As with any of our recipes, carb counts, calorie counts and nutritional information varies greatly. As a result, your nutritional content depends on which products you choose to use when cooking this dish. The auto-calculation is just an automated estimate and should NOT be used for specific dietary needs.
All slow cookers cook differently, so cooking times are always a basic guideline. Recipes should always be tested first in your own slow cooker and time adjusted as needed.