Puffy Omelet

Directions

1. 1
   Beat egg whites and cream of tartar until peaks form.
2. 2
   In separate bowl, mix yolks, water and mayonnaise until combined. Fold yolks into egg whites.
3. 3
   Melt butter in skillet at medium heat.
4. 4
   Add mixture and cook for 10 minutes.
5. 5
   Take skillet off heat and bake in oven at 400° for 7 minutes.
6. 6
   During last 2 minutes in oven, put cheese on top.
7. 7
   Serves 4.