yellow cake mix 1 (3.4-oz) box instant vanilla pudding 1 cup sour cream 4 large eggs 1/3 cup canola oil 2 teaspoons vanilla extract 1-1/2 cups graham cracker crumbs 3/4 cup packed brown sugar 3/4 cup chopped pecans 1-1/2 tsp ground cinnamon 2/3 cup butter, melted 1/2 cup powdered sugar 1 to 2 Tbsp milkPreheat oven to 350ºF. Grease and flour a 9x13-inch cake pan.
a large bowl, combine cake mix, pudding mix, sour cream, eggs, oil and vanilla. Beat with an electric mixer for 2 minutes.
graham cracker crumbs, brown sugar, pecans, cinnamon and butter..
half of cake batter into prepared pan. Sprinkle with half of graham cracker crumb mixture. Pour remaining batter on top and prinkle batter with remaining graham cracker crumb mixture.
for 40 to 45 minutes, until a toothpick inserted in center comes out clean. Cool on a wire rack.
powdered sugar and milk. Drizzle over cake.