1 c. soft butter
1/2 c. condensed milk
2 c. flour

Mix well. Chill. Heat oven to 375 degrees. Roll dough 1/2 inch thick on floured board. Prick with fork. Roll in sugar. Use ungreased pan. Bake until lightly brown. (Use 2 inch cutter.)

FILLING:

1/4 c. butter
3/4 c. powdered sugar
1 egg yolk

Mix together. Tint red or green. Make "little sandwiches". Each cookie is about 2 inches in diameter.