Aunt Betty'S Donuts - cooking recipe

Ingredients

1 qt. milk
3 lb. flour
1/2 lb. butter
4 egg yolks
1 c. sugar
1 1/2 tsp. salt
2 yeast cakes
grated lemon rind

Preparation

Dissolve yeast in 1 cup warm milk.
Put 1 cup flour in bowl with a hole in center.
Pour yeast in and let stand 20 minutes.