Mickey Mouse Egg Omelets

Ingredients (8)

• 1 tablespoon vegetable oil
• 1/2 onion, chopped
• 1/2 green bell pepper, chopped
• 1/2 small tomato, chopped
• 4 eggs, lightly beaten
• 2 teaspoons white sugar (optional)
• 1/3 cup sharp cheddar cheese
• Salt and pepper, to taste