Preheat oven to 350°
Prepare 8x8 square baking pan
Beat eggs 8-10 minutes with hand mixer
Gradually add in sugar, and continue mixing
add in flavoring (vanilla)
In separate bowl, sift together flour, salt, and baking powder. Combine with egg mixture
Place the butter in hot milk. When melted, add it to other mixture. Beat until smooth
Pour into baking dish
Bake 35 - 40 minutes