Mississippi Sweet Potato Pies

Makes 2 pies

Ingredients:

• 4 ounces butter, softened
• 2 cups cooked and mashed sweet potatoes
• 2 cups granulated sugar
• 1 small can (5 ounces, about 1/2 cup plus 2 tablespoons) evaporated milk
• 1 teaspoon vanilla
• 3 eggs, beaten
• 1 1/2 teaspoons cinnamon
• 2 prepared pie shells (shallow) 1-deep dish pie shell, unbaked