Crock Pot Mac n' Cheese

INGREDIENTS
1/2 a pound of uncooked macaroni
4 cups milk
1 egg
4 cups shredded cheese – I used white cheddar and mild yellow
1/2 tsp. kosher salt
1/2 tsp. black pepper
1 tsp. dried mustard

DIRECTIONS
Spray crock well with cooking spray. In a mixing bowl, whip egg and milk together. Stir in spices.
Add cheese and noodles, and stir well to combine. Pour the mixture into the crock pot..
Cover and cook on low for 2-5 hours, or on high for 1-3