Greek Easter Cookies

1 cup butter
2 cups granulated sugar
7 large eggs
1/2 cup milk
9 1/2 cups flour
5 tablespoons baking powder
1 teaspoon salt
6 drops bergamot flavoring or 1 tablespoon vanilla extract
Sesame seed

Cream butter. Add sugar and mix thoroughly. Add beaten eggs and continue mixing. Sift dry ingredients together and add to mixture alternately with milk and flavoring. Knead well and shape as desired. Dip in sesame seed and bake at 350 degrees F for about 15 or 20 minutes.