Ingredients

• 2 lbs (900g) ground beef
• 2 beefsteak tomatoes
• 1 white onion
• 1 lb (454g) bacon
• 1 cup (240ml) mayonnaise
• 1/4 cup (60ml) yellow mustard
• 1/4 cup (60ml) ketchup
• 2 cups (300g) dill pickles
• 1 head iceberg lettuce
• 1/2 lb (227g) shiitake mushrooms
• 2 cups (470ml) vegetable oil
• 2 cups (470ml) whole milk
• 3 cups plus 2 tbsp (469g) all-purpose flour
• 3 1/2 tbsp (50g) granulated sugar
• 1 1/2 tsp (5g) fine sea salt
• 1 egg yolk
• 2 whole eggs
• 2 1/2 tsp (10g) instant yeast
• 3 tbsp (42g) unsalted butter
• Raw, untoasted sesame seeds
• Salt and pepper to taste