Mississippi Mud Cake | Paula Deen

Ingredients

• 2 cups sugar
• 1/2 teaspoon salt
• 2 cups all purpose flour
• 2 sticks divided, 1 softened unsalted butter
• 1/2 cup Vegetable oil
• 1/2 cup plus 3 tablespoons, divided cocoa
• 1/4 cup water
• 2 eggs
• 1 teaspoon baking soda
• 1/2 cup buttermilk
• 3 teaspoons divided vanilla extract
• 1 bag miniature marshmallows
• 6 tablespoons milk
• 1 (1 lb) box confectioner's sugar
• 1 cup chopped (or walnuts) pecans