Happy St. Patrick's Day! Pistachio Pudding Sour Cream Cake

1 box yellow cake mix
1 box instant pistachio pudding
4 eggs, beat until foamy
1/2 cup of vegetable oil
1 c. sour cream
1 tsp almond extract

1 tbs green food coloring

Mix all ingredients together. Beat with electric mixer until smooth.

1/2 cup walnuts, chopped fine
2 tbsp. sugar
1 tsp. cinnamon

Mix together. Pour 1/2 of the batter into small size tube pan which has been well greased. Sprinkle 1/2 of the topping over batter. Gently pour remaining batter over this. Then sprinkle the remaining topping over the batter. Press topping down with back of spoon. Bake at 350 degrees at 45-50 minutes.  

Frost with cream cheese frosting that is tinted green!
You can also make these into cupcake as well!