THE CREAMIEST CROCKPOT MAC AND CHEESE!
16 oz box elbow macaroni noodles
4 cups whole milk
8 oz block of extra-sharp yellow cheddar cheese
8 oz block of extra-sharp white cheddar cheese
8 oz Velveeta in 1-inch cubes
1½ tsp sea salt
½ tsp white pepper
1 tsp ground mustard