8cupsmixed berries and pitted stone fruits (peaches, nectarines, plums, cherries)
Juice of 1 lemon
1tablespoonpure vanilla extract
Preheat oven to 350 degrees.
Place ¾ cup oats, flour, brown sugar, and salt in a food processor fitted with a steel blade. Process until it resembles coarse crumbs. Add the butter and process until it forms into clumps. Stir in the remaining ¼ cup oats and almond slivers.
In a large mixing bowl, combine the fruit, sugar, cornstarch, lemon juice, and vanilla. Stir well. Pour the fruit into a large oven-proof skillet or baking dish, crumble the topping over the top, and bake for 1 hour. Let cool for about 30 minutes before serving.