Oreo Cake

Ingredients

• 1 (18.25 ounce) package devil’s food cake mix {with or without pudding}
• 1 (5.9 ounce) package instant chocolate pudding mix
• 1 teaspoon kosher salt
• 2 teaspoons pure vanilla extract
• 1 cup sour cream
• 1 cup vegetable oil
• 4 eggs
• 1/2 cup warm water
• 2 cups semisweet chocolate chips
• 1 stick salted butter – room temperature
• 1 stick unsalted butter – room temperature
• 1 tablespoon pure vanilla extract
• 1 1/2 pounds confectioner’s sugar (powdered sugar, 10x)
• 3-4 tablespoons very cold milk
• 25 oreo cookies chopped