byline_abcnews GoodMorning America
Sept. 12, 2006 on Good Morning America Granny Sadie wants her grandson to concentrate on his career before tying the knot.

Read Justin Timberlake store on Good Morning America

Whether Timberlake heeds Granny's advice or not, one thing remains a constant in his life his love of her blueberry crunch cake.

Granny's Blueberry Crunch Cake

Ingredients

Optional Additional Ingredients

Directions
Preheat oven to 350 degrees Fahrenheit. Butter a 9x13 baking dish. Pour can of pineapple into baking dish. Coat blueberries with ¾ cup of sugar and pour on top of pineapple. Optional: Add 1 tablespoon melted margarine to the blueberries and sugar to help the sugar stick to the berries. Sprinkle dry yellow cake mix on top of blueberries. Optional: Add ½ cup chopped pecans to cake mix before sprinkling. Drizzle melted stick of margarine on top of cake mix. Mix ¼ cup sugar with 1 cup pecans and sprinkle on top. Optional: Add 1 tablespoon melted margarine to help sugar stick to pecans. Bake at 350 degrees for 1 hour.

Poppa says, "It will be so good it will make you slap your momma!"