Pumpkin Crumble Cake

I first saw this recipe on a Betty Crocker box and hunted it down for many years with no luck. I've come across this recipe again, but have added some variations of my own. It's the perfect Thanksgiving dessert.

• Ready In: 55 mins
• Serves: 12

Ingredients

• Cake

• 1 (18 ounce) box  yellow cake mix
• 1  cup water
• 1⁄2 cup  vegetable oil
• 1  teaspoon pumpkin pie spice
• 3  eggs
• 1 (15 ounce) can pumpkin puree (not pumpkin pie mix)

• Topping

• 1⁄2 cup dark brown sugar, packed
• 1⁄2 cup all-purpose flour
• 1⁄2 cup butter or 1⁄2 cup margarine, softened
• 3⁄4 cup  chopped  almonds (if you're a fan, pecans work, too) or 3⁄4 cup walnuts (if you're a fan, pecans work, too)

• Garnish

• 1  teaspoon creme fraiche (home-made with cinnamon is excellent with this cake) or 1  teaspoon  whipped cream, per piece (home-made with cinnamon is excellent with this cake)

Directions

1. Heat oven to 350 degrees. Spray 13x9-inch pan with cooking spray. In large bowl beat all cake ingredients together until smooth. Pour into pan.
2. In medium bowl, mix topping ingredients with fork. Sprinkle over batter.
3. Bake 45 minutes or until toothpick inserted in center comes out clean.
4. Cool completely in pan on wire rack.
5. Garnish, serve immediately.