1 lb. ground chuck
2/3 c. condensed milk
1/2 c. bread crumbs
1 egg
1/2 tsp. garlic salt (little less is better)
1 sm. can tomato paste (try half pizza sauce, half paste)
1 sm. can sliced mushrooms (optional)
1 c. mozzarella, provolone, brick or Swiss cheese (grated)
3 tbsp. Parmesan cheese
Pinch oregano

Mix thoroughly meat, salt, bread crumbs, egg and garlic salt. Form pie shell in 9 inch pie pan. Cover shell with tomato paste, mushrooms, grated and Parmesan cheeses and oregano. Bake in preheated oven at 350 degrees for 30 minutes. Cut and serve.