Orange Carrot Cake I

Ingredients

• 3 cups all-purpose flour
• 2 cups sugar
• 1 cup coconut
• 2 12 teaspoons baking soda
• 1 teaspoon salt
• 2 12 teaspoons cinnamon
• 2 cups shredded carrots
• 1 14 cups oil
• 2 teaspoons vanilla
• 1 teaspoon orange zest
• 3 eggs
• 1 (11 ounce) can mandarin oranges
• 3 cups powdered sugar
• 1 (8 ounce) package cream cheese, softened
• 2 tablespoons butter or 2 tablespoons margarine, melted
• 1 teaspoon vanilla
• 1 cup chopped nuts (optional)