Scrambled Eggs and Cheddar Cheese without milk

4 large eggs or 4 large egg substitute 1 tablespoon olive oil 1/4 cup chopped sweet onion (I use Vidalia) 1 medium plum tomato , diced 2 -4 tablespoons[...]

2 eggs salt and pepper 1/2 teaspoon mixed Italian herbs (optional) 1 ounce cheddar cheese , grated or chopped 2 teaspoons mayonnaise 2 slices whole wheat[...]