Cheesecake Cookies
["1 c. butter", "1 c. sugar (plus 2 Tbsp.)", "1 tsp. grated lemon rind (plus 1/2 tsp.)", "2 1/4 c. flour", "1/4 c. fine graham cracker crumbs", "8 oz. cream cheese", "1 egg (plus 1 yolk)", "1 Tbsp. lemon juice", "1 tsp. baking powder", "1 Tbsp. milk or sour cream or half and half (filling)"]
["Ingredients for filling are in parenthesis."]
["butter", "sugar", "lemon rind", "flour", "graham cracker crumbs", "cream cheese", "egg", "lemon juice", "baking powder", "milk"]