Haman Taschen Cookies
["1/2 c. butter", "1/4 c. oil", "1/2 c. dark brown sugar", "1/2 tsp. vanilla", "2 eggs", "3 c. flour", "1 1/2 tsp. baking powder", "1/2 tsp. salt"]
["Filling:", "Can use poppy seed, prunes or preserves."]
["butter", "oil", "brown sugar", "vanilla", "eggs", "flour", "baking powder", "salt"]