Marshmallow Topped Sweet Potato Pie

Ingredients

• 4 sweet potatoes, baked
• 1/2 cup butter, softened
• 2 cups sugar
• 4 eggs
• 1 teaspoon cinnamon
• 1/2 teaspoon salt
• 1 teaspoon nutmeg
• 1/4 teaspoon cloves
• 1 2/3 cups evaporated milk
• 15 marshmallows
• 2 pie shells