Graham Streusel Coffee Cake
["1 1/2 c. graham cracker crumbs", "3/4 c. packed brown sugar", "3/4 c. chopped pecans", "1 1/2 tsp. ground cinnamon", "2/3 c. butter or margarine, melted", "1 box yellow cake mix", "1/2 c. confectioners' sugar", "1 Tbsp. milk"]
["Combine the first five ingredients; set aside.", "Prepare cake mix according to package directions.", "Pour half of the batter into a greased 13 x 9 baking pan.", "Sprinkle with half of the graham cracker mixture.", "Carefully spoon the remaining batter on top. Sprinkle with the remaining graham cracker mixture."]
["graham cracker crumbs", "brown sugar", "pecans", "ground cinnamon", "butter", "yellow cake mix", "confectioners", "milk"]