Grease tube pan and put wax paper in the bottom of the pan; grease and flour.
Sprinkle 1 cup chopped pecans in the bottom of the pan.
Mix for 2 minutes: 1 box Duncan Hines white cake mix, 1 box blackberry jello, 1/2 cup blackberry wine, 1/2 cup oil, 4 eggs.
Bake at 325°F for 45 to 50 minutes.
Leave in pan - stick holes in the cake.
Boil: 1 stick butter, 1/2 cup blackberry wine, 3 cups confectioner's sugar.
Pour on hot cake (save part).
Let cake cool for 1 hour in pan, then take out of pan and drizzle saved glaze over the top.