Cookie Dough Layered 'Box' Cake Recipe by Tasty

Ingredients

• 1 box yellow cake mix, prepared
• 2 cups chocolate chips
• 4 cups flour
• 2 cups brown sugar
• 2 cups butter, softened
• 4 tablespoons milk
• ½ cup chocolate chips
• 2 teaspoons vanilla
• 2 teaspoons salt
• ½ cup chocolate chips, chopped
• 2 ½ sticks butter, unsalted
• 2 ½ cups powdered sugar
• 2 tablespoons heavy cream
• 1 teaspoon vanilla extract
• 1 pinch salt