Creamy slow cooker mac and cheese

INGREDIENTS

1 lb

cavatappi (uncooked)

4 tbsp

salted butter (sliced)

4 oz

cream cheese (cut into cubes)

teaspoon kosher salt

1/4 tsp

cayenne or black pepper

3 cups

whole milk

1/2 cup

heavy cream (can also use whole milk)

2 cups

freshly shredded sharp cheddar cheese

1 cup

freshly shredded pepper jack cheese (can sub with monterrey jack)