"San Francisco" Bacon Guacamole Cheeseburger - SippitySup

Ingredients

• 8 slice bacon
• 1½ pound ground beef
• salt and pepper to taste
• fontina cheese, thinly sliced, to taste
• 8 slice sourdough bread
• 1 cup baby red oak leaf lettuce leaves, loosely packed
• ½ cup guacamole
• 2 heirloom tomatoes, sliced
• ¼ red onion, sliced and separated into rings