Heat oven to 400° F. Grease a 9-inch pie plate.
Stir Bisquick and butter until blended. Add boiling water, stir vigorously until soft dough forms. Press dough in bottom and up sides of pie plate, forming edges on rim of pie plate.
Sprinkle cheese, bacon and onions over crust. Beat half and half and eggs. Stir in salt and pepper. Pour into crust.
Bake 35 to 40 minutes until knife inserted in center comes out clean. Let stand 10 minutes before serving.Servings: