A satisfying meal for a cool fall day.
Peel and boil your potatoes for NO MORE than 10 minutes - they will not be cooked through which is ok.
After 10 minutes, drain water from potatoes and let them cool in fridge.
Prepare a casserole dish by greasing the bottom with a tablespoon of some olive oil or butter.
Once cool, slice potatoes into circles, and line the casserole dish with some of your potatoes, setting the rest aside.
In a frying pan, add olive oil and sautee onion slices, garlic and celery until soft.
Season with salt and pepper (1 tsp of each)
Add ground beef to garlic and onions and sautee until beef is cooked through ( no longer pink).
Add cooked beef on top of potato layer in casserole dish.
Layer remaining potato slices over meat.
Layer any remaining meat onto potatoes.
Top with sliced tomatoes.
Evenly sprinkle mozzarella and parmesan cheese
Baked in oven at 350F for 15 minutes on middle rack.
After 15 minutes, turn oven to broil for 5-10 minutes to brown cheese.