Bacon-Cheese Crackers
["1 c. grated Swiss cheese", "8 slices bacon, cooked and crumbled", "3 to 4 Tbsp. mayonnaise", "1 Tbsp. chopped onion (optional)", "1/2 tsp. celery salt", "30 rye bread rounds (crackers)"]
["Mix first 5 ingredients; blend well.", "Spread cheese mixture on each round.", "Broil until mixture is hot and bubbly.", "Serve hot or cold."]
["Swiss cheese", "bacon", "mayonnaise", "onion", "celery salt", "bread"]