1. Brown ground beef, onion, garlic and seasoning in oil.
3. Stir in pasta, spaghetti sauce and 2 cups cheese.
4. Place mixture in 2 greased 9x13x2 inch baking pans or 4 square pans.
5. Sprinkle with remaining mozzarella.
6. Top with pepperoni.
7. Cover and freeze up to 3 months.
8. To cook now: Bake uncovered at 350 degrees for 25-30 minutes, until heated through.
9. To bake frozen casserole: Thaw in refrigerator overnight and bake at 350 for 35-40 minutes, till hot.