1 (18 oz.) yellow cake mix
2 (3 oz.) pistachio pudding - instant
6 eggs
1/4 c. oil
1/4 c. water
1/4 c. sour cream

Beat all ingredients together. Pour into 2 floured bread pans, 1/2 amount of batter in each pan. In small bowl, mix 5 Tbsp. sugar, 4 tsp. cinnamon, and 1/3 cup ground nuts. Sprinkle over batter in pans. Pour remaining batter in each pan and bake at 350°F for 45-50 minutes.