1 lb. ground beef
1 1/2 c. chopped onion
1/2 tsp. salt
1/4 tsp. pepper
1 c. shredded Cheddar cheese
1 1/2 c. milk
3/4 c. Bisquick baking mix
3 eggs

Heat oven to 400 degrees. Lightly grease pie plate 10 x 1 1/2 inches. Cook, stir beef and onion until beef is brown; drain. Stir in salt and pepper. Spread in pie plate; sprinkle with cheese. Beat remaining ingredients until smooth 15 seconds in blender on high speed or 1 minute with hand beater.

Pour into pie plate. Bake until golden brown and knife inserted in center comes out clean, about 30 minutes. Let stand 5 minutes before cutting. Refrigerate any remaining pie. 6-8 servings.