Pistachio cake

Ingredients:

For the Cake:

• 1 box (about 15 ounces) white or yellow cake mix
• 1 package (3.4 ounces) instant pistachio pudding mix
• 4 large eggs
• 1 cup vegetable oil
• 1 cup water
• 1/2 cup chopped pistachios (optional, for added texture)

For the Frosting:

• 1 cup heavy cream
• 1 package (3.4 ounces) instant pistachio pudding mix
• 1 cup powdered sugar
• Chopped pistachios for garnish (optional)

Instructions: