Preheat oven to 350 degrees. Thoroughly grease bottom and sides of a Bundt pan.
In a large mixing bowl, combine cake and pudding mix. Add eggs, oil, water, sour cream & almond extract. Beat with a hand mixer for 2 minutes at medium speed until smooth.
1 pkg. yellow cake mix, 1 3.4 oz. box instant pistachio pudding , 4 eggs, 1/4 cup vegetable oil, 2 tbsp. water, 1 cup sour cream, 1/4 tsp. almond extract
Pour into greased Bundt pan and bake 35-40 minutes until toothpick comes out clean. Cool in pan for 5 minutes before inverting onto a wire rack to cool completely.
Whisk together icing ingredients, starting with 1 tbsp. of milk and adding an extra if needed. Drizzle icing over the top of the cake and allow to drip down the sides. Let the icing dry before covering.
2 cups powdered sugar, 2 tbsp. butter, 1-2 tbsp. milk, 3 tbsp. maraschino cherry juice