Prepare the tomatoes by cutting them into thick slices and place them between layers of a towel (or paper towels) to remove excess liquid.
Make a dredging station by placing the panko crumbs and parmesan cheese in a separate shallow bowl, and season with sea salt, freshly cracked black pepper, garlic powder, and crushed red pepper flakes, and mix well.
Place the flour in a shallow bowl and season with sea salt, freshly cracked black pepper, garlic powder, and crushed red pepper flakes, and mix well.
In a separate shallow bowl, beat the egg with a tablespoon of water or milk and season with sea salt, freshly cracked black pepper, garlic powder, and crushed red pepper flakes, and mix well.
Dredge the tomatoes by dipping the thick slices in the flour mixture, then the egg mixture, and finally the panko crumb mixture. Place the tomatoes in a single layer on a plate while finishing the remaining tomatoes.
Cook the tomatoes by heating 2 tablespoons of oil in a large nonstick skillet over medium-high heat.
In batches, add the dredged tomatoes to the hot skillet, without crowding them. Cook for 2-3 minutes on each side, or until golden brown.
Place the cooked tomatoes on a wire cooling rack to drain grease.
Serve immediately with the dressing of your choice. Enjoy.