Pistachio Pudding Cake Recipe

Ingredients (14)

• Cooking spray
• 2 tablespoons all-purpose flour, more as needed
• 1 package (15.25 ounces) yellow cake mix
• 1/2 cup (3.4 ounces) pistachio pudding mix
• 4 large eggs
• 1 cup lemon-lime soda
• 1/2 cup sour cream
• 1/2 cup vegetable oil
• 1 1/2 teaspoons pure vanilla extract
• 1/2 cup finely chopped pistachios
• 2 1/2 cups confectioners' sugar, more as needed
• 3 tablespoons milk, more as needed
• 1 teaspoon pure vanilla extract
• 1/4 cup coarsely chopped pistachios