Meatball Sub Panini - cooking recipe

Ingredients

2 slices sourdough bread or 2 slices white bread
1/2 tablespoon butter, softened
1 -2 meatballs, cooked (I recommend Meatballs Italiano)
2 ounces sliced mozzarella cheese
2 -3 tablespoons marinara sauce

Preparation

Pre-heat panini grill to medium-high.
Slice meatballs into 1/4\" rounds. Warm meatballs and marinara sauce in the microwave.
Butter 1 side of each slice of bread, lay butter-side down on your work surface.
On one slice of bread, layer ingredients in the following order: 1oz cheese, marinara sauce, meatball slices, more marinara sauce, remaining cheese, top piece of bread, with buttered sides facing out.
Place assembled sandwich on the hot grill, and close, pressing down for about a minute. Continue cooking for a few minutes, until golden brown.