Cherry Rhubarb Crunch | Reader's Digest Canada

Ingredients

• 1 cup rolled oats
• 1 cup packed brown sugar
• 1 cup all-purpose flour
• 1/4 tsp salt
• 1/2 cup cold butter (cubed)
• 4 cups diced rhubarb
• 1 cup sugar
• 2 tbsp cornstarch
• 1 cup water
• 1 tsp almond extract
• 1 can cherry pie filling (21 ounces)
• 1/2 cup finely chopped walnuts
• Vanilla ice cream (optional)