Sweet Potato Cheesecake

Ingredients

• cheesecake
• 1 cup gold medal all-purpose flour
• 1/2 cup butter or margarine, softened
• 1/4 cup granulated sugar
• 1/2 teaspoon ground cinnamon
• 1 egg yolk
• 3 medium sweet potatoes, cooked and mashed (about 2 cups)
• 1 tablespoon butter or margarine, melted
• 1 teaspoon ground cinnamon
• 1 teaspoon ground nutmeg
• 1 teaspoon vanilla
• 3 packages (8 ounces each) cream cheese, softened
• 1 cup granulated sugar
• 4 eggs
• crumb topping
• 1/2 cup gold medal all-purpose flour
• 1/2 cup packed light brown sugar
• 6 tablespoons butter or margarine, softened
• 1 teaspoon ground cinnamon
• 1 cup chopped pecans