Crockpot Pizza Casserole

Not sure where I got this recipe, but it's been in my files to try forever.

• Ready In: 3 hrs 10 mins
• Serves: 6

Ingredients

• 8  ounces macaroni noodles
• 1  lb lean ground beef
• 1  onion, peeled and chopped
• 2 (15 ounce) cans  pizza sauce
• 8  ounces  pepperoni, sliced
• 4  ounces mushrooms, sliced

Directions

1. Prepare macaroni according to package directions; drain.
2. Meanwhile brown ground beef and onion in a large skillet, stirring until the beef is crumbly and browned; drain.
3. Stir in pizza sauce, drained macaroni, pepperoni and mushrooms.
4. Place in a crockpot or slow cooker; cook on low 3 hours.
5. Serve hot.