Crunchy Sweet Potato Casserole

Ingredients

• 2 cups mashed sweet potatoes
• 1/2 cup butter, melted
• 1/4 cup sugar
• 1/4 cup packed brown sugar
• 2 large eggs, lightly beaten
• 1/2 cup 2% milk
• 1 teaspoon ground cinnamon
• 1/2 teaspoon ground nutmeg
• TOPPING:
• 1 cup crushed cornflakes
• 1/2 cup chopped walnuts
• 1/4 cup packed brown sugar
• 1/4 cup butter, cubed