to make 3 waffles:
1 1/2 cups flour
1 tsp baking powder
1 tsp salt
25g or thereabouts butter melted
two eggs separated
milk
method:
add flour, baking powder, and salt to bowl
separate eggs and beat egg whites until peaks form
microwave butter until melted then add to bowl with dry ingrediates and egg yolks
mix with whisk as you add milk until a good "pourable" batter consistency is reached
fold in egg whites
variations
add strips of ham (or bacon) to waffle iron after the batter is poured in.
add blueberries to the batter mix

Disclaimer: Don't ever do this. One is plenty. This is Man vs Food territory.