Easy Italian Stromboli

Ingredients

• 1 egg egg, beaten
• 6 thin slices sandwich pepperoni
• 1/4 teaspoon garlic powder or salt
• 1 tablespoon water
• 1 teaspoon dried oregano
• 1 cup bell pepper, chopped
• 3 tablespoons marinara sauce
• 4 thin slices Genoa salami
• 1 batch prepared pizza dough
• 2 cups spinach
• 1/2 pound ham, sliced
• 1 & 1/4 cups mozzarella cheese
• 1 & 1/2 tablespoons Spicy Brown mustard
• 1/3 cup chopped onions