Slow Cooker Macaroni & Cheese

Ingredients

• 1 package elbow macaroni (16 oz)
• 2 cups shredded sharp cheddar cheese
• 1 cup shredded provolone or gruyere cheese
• 1/2 cup grated parmesan cheese
• 1 cup sour cream
• 4 oz cream cheese (1/2 package)
• 1 12 oz can evaporated milk
• 1 tsp garlic powder
• 1 tsp onion powder
• 1/2 tsp dry mustard powder
• 1/4 tsp nutmeg
• Salt
• pepper