Prepare ingredients and set aside. Beat egg whites. Melt half the butter in a Caphalon pan. Stir fry onions for one minute and add peppers. Remove from the pan. Melt remaining butter in the pan and pour in beaten egg whites. Just before egg whites are set well, add the onions, peppers, and chopped avocado and spread evenly over one half of the egg whites.
Gently loosen the egg whites on the side without onions, peppers and avocado and fold over the top of the filled side. Allow the egg w