Step 1

Preheat the broiler on high.

Step 2

Place muffins, cut side up, on a baking sheet and broil for 2 minutes or until beginning to lightly brown on edges. (Or you can do this in your toaster oven)

Step 3

Heat a medium skillet on medium heat.

Step 4

Add oil and sauté 3 of the scallions about 2 to 3 minutes.

Step 5

Add the egg whites, season with salt and pepper and cook, mixing with a wooden spoon until cooked through.

Step 6

Divide on toasted muffins and top with tomatoes, cheese and remaining scallions.

Step 7

Broil for 1 to 1 1/2 minutes or until cheese has melted, careful not to burn.