CRUST:

1/2 c. flour
1/2 tsp. salt
1 tsp. baking powder
1/4 c. shortening
1/2 c. sour cream
1 egg

Combine all ingredients and stir about 60 to 7 times. (Batter is slightly lumpy.) Spread batter thinly on bottom and thickly up sides to within 1/4 inch of 9 inch lightly greased and flour pie plate. Fill and bake at 425 degrees in preheated oven. Cool 5 minutes before serving. Crust may be covered and refrigerated up to 12 hours.

FILLING:

1 lb. ground beef, lightly browned
1 tsp. salt
1/4 tsp. garlic powder
1/4 c. chopped onion or 2 tsp. minced onion
1/2 c. chopped olives
4 oz. can mushrooms, undrained
1 to 1 1/2 c. shredded Mozzarella, cheddar or American cheese
1 tsp. oregano

Combine all above ingredients except cheese. Mix thoroughly. Spoon into crust. Bake 18 to 28 minutes until crust is golden brown. Sprinkle with cheese. Return to oven to melt cheese.