Bacon Cheeseburger Pie

Bahan-bahan (6 porsi)

• 1 single pie crust (unbaked, store bought or homemade)
• 1 pound lean ground beef
• 1 onion (chopped)
• 5 slices bacon (chopped)
• ⅓ cup Panko bread crumbs
• 1 teaspoon yellow mustard
• 3 tablespoons barbecue sauce
• 1 tablespoon ketchup
• 2 teaspoons Worcestershire sauce
• ½ teaspoon black pepper
• 2 cups shredded cheddar cheese
• 1 egg
• ¼ cup milk