preheat oven to 350
layer meatballs on a foil-lined baking sheet
bake for 30 minutes
in a saucepan heat the marinara sauce
shred the pepper jack cheese, and mozzarella cheese and mix in a bowl with the parmesan cheese
in a bowl melt butter with minced garlic, and salt
when the meatballs are done add them to the sauce
to assemble add a spoon full of butter mixture to the bottom each hoagie bun, four meatballs with some sauce, cheese mixture, spoon more butter over the top.
layer in a baking sheet and bake for 10 minutes.
