In small frying pan over medium-high heat, crisp salami on both sides. Slide the salami onto a plate.
Put the deli ham in the pan, sprinkle with garlic powder, onion salt, and pepper and fry over medium heat until heated through. Put the ham on the plate with the salami.
Melt a tablespoon of butter in the same pan. Lay one slice of bread in the melted butter. Top with Swiss, salami, ham, jalapeño Jack and second slice of bread. When the bottom slice of bread is golden brown, lift the sandwich with a spatula, toss 1 tablespoon of butter into the pan, and flip the sandwich into the melted butter so the other side gets toasty. Remove from pan and serve while hot.
When the bottom slice of bread is golden brown, lift the sandwich with a spatula, toss 1 tablespoon of butter into the pan, and flip the sandwich into the melted butter so the other side gets toasty. Remove from pan and serve while hot.