Chocolate Scotch Marble Cake - cooking recipe

Ingredients

1 pkg. yellow cake mix
1 (4 oz.) pkg. instant butterscotch pudding mix
1/2 c. cooking oil
1 c. (8 oz.) sour cream
4 eggs
1 (6 oz.) pkg. butterscotch bits
1 envelope melted chocolate or 2 Tbsp. cocoa

Preparation

In large bowl, blend first 5 ingredients.
Beat 2 minutes at high speed.
Pour 2 cups of batter in another bowl.
Stir butterscotch bits into 1 mixture and chocolate in other.
Pour 1/2 of light batter in greased tube pan, then pour chocolate batter. Repeat using the light; marble by folding with knife in cutting motion.
Bake at 325\u00b0 for 50 or 55 minutes.
Ice as you like.
I use sour cream icing.