Unroll 1 can crescent rolls, and press into a lightly greased 13- x 9-inch pan.
Bake at 375 for 10 minutes or until lightly browned.
Cook ground beef and onion in a large skillet, stirring until beef crumbles and is no longer pink.
Drain. Stir in cheese and next 6 ingredients; spoon over crust.
Unroll remaining can of crescent rolls, and shape into a rectangle, pressing perforations to seal; cut into 1/2-inch strips. Arrange strips in a lattice design over beef mixture.