01 -
Generously butter one side of each slice of rye bread and set aside.
02 -
In a bowl, mix ground beef with salt, pepper, and onion powder. Shape into three patties that match the shape of the bread.
03 -
Heat a skillet over medium-high heat. Cook the patties for 2-3 minutes per side, then reduce the heat to low and cook for an additional 5 minutes until fully cooked.
04 -
In a separate bowl, mix mayonnaise, ketchup, bacon bits, relish, and sugar to create the sauce. Set aside.
05 -
Heat a second skillet over medium-low heat. Place one slice of bread, butter-side down, into the skillet.
06 -
Add two slices of cheddar cheese, one cooked patty, and two slices of provolone cheese on top.
07 -
Spread the prepared sauce on the unbuttered side of a second slice of bread, then place it sauce-side down on the sandwich.
08 -
Cook for 2-3 minutes per side until the bread is golden and the cheese is melted.
09 -
Repeat the process for the remaining sandwiches. Serve warm and enjoy!.