Preheat oven to 350°F. Unroll dough and separate rolls. Spread to cover bottom of ungreased 9 inch pie pan. Press together to form lower crust. Bake 10 minutes. Meanwhile, in large skillet, brown beef and onion; drain excess fat. Stir in gravy and peas; cook until heated through. Pour mixture into crust. Sprinkle with cheese. Bake 10 to 15 minutes or until crust is brown and cheese is melted. Arrange tomato slices over pie; bake 2 minutes more. Makes 6 servings. Typed in MMformat by cjhartlin@msn. Com Source: Best Recipes 101 Casseroles.