Czech Kolackies - cooking recipe

Ingredients

1 qt. warm milk
1 c. sugar
2 pkg. dry yeast
1 1/4 c. softened shortening
3 egg yolks
1 1/2 Tbsp. salt
10 c. flour

Preparation

Dissolve yeast in milk and sugar; let set for about 5 minutes. Add 5 cups of sifted flour.
Mix well.
Let set in a warm place for about 1/2 hour.
Add egg yolks, shortening, salt and rest of flour.
Mix and knead well (needs to be a soft dough).
Let set in a warm place for an hour, until doubled in bulk.