In a large mixing bowl combine your egg, minced garlic, onion powder, garlic powder, salt, pepper and ground beef. Form into thin patties.
Cook on the grill, george forman indoor grill, or in a NuWave Oven until the hamburger is done and place on paper towels to drain the grease. Set aside.
Add your chopped onion to a medium skillet along with 1 tablespoon of butter and cook until the onion is translucent and tender.
Butter both sides of your bread and place them in a skillet and cook one side until it turns a nice golden brown. Flip the bread over and immediately place your cheese slices on it along with the cooked onion.
Once the remaining sides of bread are golden and the cheese has melted add your hamburger and assemble your sandwich.
If your cheese hasn’t completely melted you can place your bread pieces on a baking sheet under the broiler for 2 to 3 minutes to completely melt your cheese if needed.
