This Crockpot Mac and Cheese recipe is deliciously creamy and cheesy, perfect for feeding a crowd with minimal effort! Crockpot Mac and Cheese Ingredients 16 ounces uncooked elbow macaroni 4 cups whole milk 8 ounces extra-sharp yellow cheddar cheese, shredded by hand 8 ounces extra-sharp white cheddar cheese, shredded by hand 8 ounces Velveeta cheese, cut into 1-inch cubes 1½ teaspoons sea salt (optional) ½ teaspoon white pepper 1 teaspoon ground mustard Instructions Add elbow macaroni, whole mi