3 apples, sliced thin, about 3 cups worth
¾ cup light brown sugar
½ teaspoon ground cinnamon
¼ teaspoon ground nutmeg
½ teaspoon kosher salt
1 tablespoon cornstarch
1½ cups old-fashioned oats
1½ cups all-purpose flour*
⅔ cup light brown sugar
1 cup butter, melted
Instructions
Preheat the oven to 400°. Grease a 9×13 pan with butter. Place the blackberries and apples in a large bowl and sprinkle with the sugar, cinnamon, nutmeg, salt, and cornstarch. Stir to coat the fruit and set aside while assembling the crust and topping. Stir together the oats, flour, brown sugar, and butter. Pour the fruit into the greased pan and sprinkle the oat mixture on top of the fruit. Bake for 30 minutes, until the crust has browned and the fruit mixture is bubbling. Serve warm with vanilla ice cream or whipped cream.