1 stick butter
1 small onion, diced
1 lb. processed cheese, cubed
1 c mayonnaise
1 box frozen broccoli, diced
1 round rye bread

Melt butter. Add onion. Microwave 1 minute. Add cheese and microwave until melted. Mix thoroughly. Thaw broccoli in microwave and add to cheese mixture. Stir in mayonnaise. Cut out center of rye bread. Break into bite-sized pieces. Pour cheese mixture into hollow of bread. Dip bread into cheese mixture.