Heat oven to 350°F. In large skillet over medium heat, cook bacon until crisp. Remove bacon from skillet; drain on paper towel. Discard drippings.
In same skillet, brown ground beef and onion until beef is thoroughly cooked. Drain. Add bacon and all remaining ingredients; mix well. Pour into ungreased 2-quart casserole; cover tightly.
Bake at 350°F. for 30 minutes or until bubbly.