Crock Pot Rigatoni

I found this recipe in the "Fix-It and Forget-It Cookbook". I found it easy to make and very adaptable to what ingredients you prefer.

• Ready In: 4 hrs 20 mins
• Serves: 8

Ingredients

• 28  ounces  spaghetti sauce, jarred or home-made
• 12  ounces rigatoni pasta, cooked
• 1 1⁄2 lbs ground beef or 1 1⁄2 lbs sausage, browned
• 3  cups  shredded mozzarella cheese
• 1⁄2-3⁄4 lb  sliced  pepperoni
•  sliced mushrooms (etc.) (optional) or  onion (etc.) (optional)

Directions

1. Layer half of each ingredient in the order listed.
2. Repeat.
3. Cover, Cook on low 4-5 hours.