Preheat oven to 350 degrees. Grease the bottom of a 9x13 glass baking dish with butter.
In a large skillet, over medium high heat, add your ground beef and sprinkle it with the onion powder, salt, pepper, garlic powder, and smoked paprika
Break up the ground beef as you brown it. When it's done, set aside.
Do not separate your Hawaiian rolls - carefully cut the entire lot in half horizontally with a serrated knife.
Put the bottom half of the Hawaiian rolls on the bottom of the greased dish.
Place the six slices of cheese over the rolls.
Spoon your ground beef mixture over the sliced cheese.
Sprinkle the shredded mozzarella cheese evenly over the top of the ground beef.
Sprinkle the sharp cheddar cheese evenly over the top of the mozzarella cheese.
Place the top half of the Hawaiian rolls on the top of the cheeses.
Mix together the melted butter and Johnny's garlic bread seasoning then brush over the top of each roll.
Sprinkle with sesame seeds.
Bake in the oven uncovered for 14-16 minutes or until everything is melty and golden brown.