Pumpkin Crunch Coffee Cake - Clabber Girl

Ingredients

• 3/4 cup butter, melted
• 1 tbsp pumpkin pie spice
• Coffee Cake:
• 2 1/4 tsp Clabber Girl Baking Powder
• 1 1/4 cups granulated sugar
• 1/2 tsp salt
• 3/4 cup butter, softened
• 3/4 tsp Clabber Girl Baking Soda
• Crunch Topping:
• 3 eggs
• 1 1/2 cups finely chopped walnuts
• 1 cup solid packed pumpkin
• 1 1/2 cups vanilla wafer crumbs
• 1/2 cup sour cream
• 1 1/2 cups light brown sugar
• 2 1/2 cups all-purpose flour