1 Preheat oven to 350 degrees F (180 degrees C).
2 In large bowl of an electric mixer, beat butter and
sugar until creamy. Beat in 2 of the egg yolks, one at a
time. Mix in 3 tablespoons of the half and half.
3 In another bowl, stir together flour, baking powder,
and salt; gradually add to butter mix and blend.
4 To shape cookies, pinch of 1 inch balls of dough and
roll each into a 7 inch strand. Bring ends together and
twist, to form a twirled look to each one.
5 Beat remaining egg yolk with remaining half and half
and brush lightly over cookies and sprinkle with sesame
seeds. Bake for about 15 minutes or until golden.