01 - Cook bacon in a skillet over medium heat until crispy. Drain on paper towels.
02 - Heat about ½ inch of oil in a large skillet over medium-high heat.
03 - Dredge tomato slices in flour, dip in beaten egg, then coat in cornmeal mixed with garlic powder, paprika, salt, and pepper.
04 - Fry tomatoes in batches, 2–3 minutes per side, until golden brown and crispy. Drain on paper towels.
05 - Toast bread slices until golden.
06 - In a small bowl, mix mayo with Dijon mustard if using. Spread on one side of each bread slice.
07 - Layer sandwich with lettuce, 2 slices fried tomato, 2 slices bacon, and optional extras like avocado. Top with another slice of bread, mayo side down. Slice in half and serve warm.