1 (6 oz.) pkg. pizza crust mix
4 slices American cheese
4 oz. Mozzarella cheese, grated
4 slices baked ham
1 piece pepperoni, thinly sliced
1/4 green pepper, diced
2 tbsp. onion, minced
1 tbsp. mustard (or slightly less, according to taste)
2 tbsp. pizza sauce

Heat oven to 450 degrees. Run tap water until HOT. Put pizza crust mix in medium size bowl. Add 1/2 cup hot tap water. Stir until moistened with a wooden spoon. Beat vigorously with spoon about 20 strokes. Turn onto a floured board. Knead about 50 times. Form into a ball on board. Cover and let rest 5 minutes.

Prepare filling. Use a cutting board to slice pepperoni, dice pepperoni, and mince onion. Grate Mozzarella cheese. Roll dough to a 12 x 6 inch rectangle on the floured board. Don't allow dough to become too thin in places. Place a sheet of aluminum foil on a baking sheet. Grease the foil well (where you will place the dough).

Fill Stromboli: Begin by layering the sliced American cheese down the center of the dough, overlapping pieces. Then a layer of ham. Spread this with mustard and/or pizza sauce. Add pepperoni, Mozzarella cheese, green pepper, and onion.

Moisten edge of crust. Fold over and seal. Crimp edge. Brush with melted butter. Bake for 15 minutes. Remove and allow to cool. (Can be wrapped in the aluminum foil and frozen. Reheat in a very hot oven 20 minutes. Let covered first 15 minutes; uncover the last 5 minutes. Remove from oven; cut into 4 slices. Serve.