Pre-heat the oven to 425°F.
Place Ritz crackers in the bottom of a 12 cup muffin tin (if the muffin tin is larger than 12 cups, feel free to incrrease all of the ingredients).
Place the Mozzarella slices on top of the crackers.
On top of the cheese, place the pizza perreroni slices.
Cover each of the cups with a tsp. pizza sauce.
Springle Italian seasoning and black pepper over the top of each cup.
Next, add 1 tsp. of parmesan cheese on top of the appetizers.
Place in the pre-heated oven and bake for 8 miuntes.
Remove from the oven and allow to cool for a few minutes before serving.
