Cream butter, sugar and brown sugar. Add eggs and vanilla, blend well.
Step 2
Stir together flour, baking powder and salt. Add gradually to the creamed mixture, blending well.
Step 3
Turn out the dough onto a floured surface and knead 1-2 minutes until the dough is smooth. Break off a small piece of dough and roll it in your palms to make an oval about 2 inches long and 3/4 inch thick.
Step 4
Dip the oval in milk and roll it in sesame seeds. Place on the greased cookie sheet. Repeat with the remaining dough.
Step 5
Bake at 350 degrees F (175 degrees C) for 15 minutes or until golden. Remove to wire racks to cool.