Czeck Cookies
["1 c. butter", "1 c. sugar", "3/4 c. apricot filling", "2 c. flour", "2 egg yolks", "1 c. nuts, chopped"]
["Cream butter, gradually adding sugar.", "Beat until light and fluffy.", "Add egg yolks.", "Blend well.", "Gradually add flour and mix well.", "Fold in nuts.", "Pat half of batter into greased 8-inch square pan.", "Spread with filling.", "Cover with remaining batter. Bake 1 hour at 325\u00b0.", "Cool and cut into 1-inch squares."]
["butter", "sugar", "apricot filling", "flour", "egg yolks", "nuts"]