1/2 to 1 lb. ground beef
1 can pizza sauce
1 c. milk
1 small can mushrooms
1 c. grated Mozzarella cheese
1 c. wide noodles
1 1/2 tsp. oregano
1/2 to 1 tsp. garlic salt

Sauté ground beef in skillet until crumbly. Combine with remaining ingredients in baking dish; mix well. Refrigerate for 4 hours or longer.

Bake at 350°F for 1 hour.