1Heat oven to 400°. Mix all ingredients except pasta sauce and spaghetti. Press mixture evenly in ungreased rectangular pan, 11x7x1 1/2 inches. Cut into 1 1/4-inch squares.
2Bake uncovered about 15 minutes or until no longer pink in center and juice is clear; drain. Separate meat squares.
3Mix meat squares and pasta sauce in 3-quart saucepan. Heat to boiling; reduce heat. Simmer uncovered about 10 minutes, stirring occasionally, until hot. Serve over spaghetti.