Holiday Strucel

• 8 cups flour
• 2 cups milk
• 4 yeast cakes

Dissolve yeast cakes in l/2 cup of the milk. Make thin sponge by mixing yeast with rest of milk and 1 cup of flour. Mix thoroughly, sprinkle top lightly with flour and set aside to rise. Add salt to egg yolks, beat until thick and lemon-colored. Add sugar, rinds and mix with sponge. Add two cups of flour, alternating with the milk, and knead for half hour. Add remaining flour and butter and con