2 cups King Arthur Unbleached All-Purpose Flour
1 1/2 cups sugar
1/2 cup unsalted butter, softened
1/2 cup pastry cream filling mix or instant vanilla pudding mix, dry
2 teaspoons baking powder
1 teaspoon salt
1/2 cup vegetable oil
1/2 cup milk
4 large eggs
1/2 cup white or golden rum
2 teaspoons vanilla
1/4 teaspoon butter rum flavor (optional but excellent)
1/4 cup pecan flour, for dusting baking pan

Rum soaking syrup

1/2 cup unsalted butter
1/4 cup water
1 cup sugar
1/2 cup white or golden rum
1/2 teaspoon vanilla