Arrange broccoli in a vegetable steamer over boiling water. Cover and steam 5 to 6 minutes or until crisp-tender.
Combine soup and next 6 ingredients, stirring well. Stir in broccoli. Spoon mixture into a 10-ounce custard cup coated with cooking spray. Sprinkle with cracker crumbs. Bake, uncovered, at 350° for 30 minutes.