Roadside Diner Cheeseburger Quiche

Preheat oven to 375°. Unroll crust into a 9-in. deep-dish pie plate; flute edges and set aside. In a large skillet, cook beef over medium heat until no longer pink, breaking it into crumbles; drain. Stir in the tomatoes, onion, relish and bacon. Transfer to prepared crust., In a large bowl, whisk the eggs, cream, milk, mustard, pepper sauce, salt and pepper. Pour over beef mixture. Sprinkle with cheeses., Bake until a knife inserted in center comes out clean, 50-60 minutes. If necessary, cover edges with foil during the last 15 minutes to prevent overbrowning. Let stand for 10 minutes before cutting. Garnish with optional ingredients as desired.