Crunchy-Topped Sweet Potato Casserole Recipe - Priesters Pecans

Ingredients

• 2 tablespoon bourbon (optional)
• 1/2 cup raisins
• 1/2 Granny Smith apple, finely diced
• 1 cup granulated sugar
• 1/3 cup milk
• 2 none eggs, well beaten
• 1 teaspoon vanilla
• 1/2 cup margarine, melted
• 3 fully cooked, whipped sweet potatoes
• 1 cup light brown sugar
• 1/2 cup plain flour
• 1 cup pecans, chopped
• 1/3 cup margarine, melted