Pepperoni Pizza Omelet

Ingredients (11)

• + ½ (14 ounce) can pizza sauce add to pantry
• + 1 (2 ounce) package sliced pepperoni, or to taste add to pantry
• ✓ ½ tomato, diced
• + ¼ cup diced onion add to pantry
• + ¼ cup diced mushrooms add to pantry
• + 2 tablespoons diced olives add to pantry
• + 1 pinch dried oregano, or to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + 1 tablespoon olive oil, or as needed add to pantry
• ✓ 4 eggs, beaten