Heat oven to 375°. Mix all ingredients except Cheddar cheese and crackers in medium bowl until well blended.
Spread mixture in ungreased pie plate, 9x1 1/4 inches, or shallow 1-quart casserole. Sprinkle with Cheddar cheese.
Bake uncovered 15 to 20 minutes or until hot and bubbly. Serve with crackers.