Maple Winter Squash Casserole

Ingredients (14)

• 1 medium pie pumpkin (about 3 pounds)
• 1 medium butternut squash (about 3 pounds)
• 1 medium acorn squash (about 1-1/2 pounds)
• 1/4 cup sugar
• 1/4 cup maple syrup
• 1/4 cup butter, softened
• 1/2 teaspoon salt
• 1/2 teaspoon ground cinnamon
• TOPPING:
• 1/2 cup all-purpose flour
• 1/2 cup packed brown sugar
• 1/2 cup old-fashioned oats
• 1/2 cup cold butter, cubed
• 1/2 cup chopped walnuts