Grandmother Paula's Red Velvet Cake Recipe

Ingredients

• 2 cups sugar
• 1/2 pound (2 sticks) butter, at room temperature
• 2 eggs
• 2 tablespoons cocoa powder
• 2 ounces red food coloring
• 2 1/2 cups cake flour
• 1 teaspoon salt
• 1 cup buttermilk
• 1 teaspoon vanilla extract
• 1/2 teaspoon baking soda
• 1 tablespoon vinegar
• 1 (8 ounce) package cream cheese
• 1 stick butter, softened
• 1 cup melted marshmallows
• 1 (1 pound) box confectioners' sugar
• 1 cup shredded coconut
• 1 cup chopped pecans