Fish Batter - cooking recipe

Ingredients

1 can stale beer
2 c. flour
1/2 tsp. salt
2 Tbsp. baking powder
2 egg yolks

Preparation

Open can of beer in morning and let stand about 3 hours.
Beat flour, salt, baking powder and egg yolks into beer.
Let stand 1 hour or more.
Just before using, beat egg whites very stiff and fold into batter.
Dip fish and fry.