Ingredients:
4 to 5 pounds firm, ripe peaches (10 to 12 large peaches)1 orange, zested
1 1/4 cups granulated sugar
1 cup light brown sugar, packed
1 1/2 cups plus 2 to 3 tablespoons all-purpose flour
1/2 pint raspberries
1/4 teaspoon salt
1 cup quick-cooking oatmeal
1/2 pound cold unsalted butter, diced
Directions:
Preheat the oven to 350 degrees F. Butter the inside of a 10 by 15 by 2 1/2-inch oval baking dish.
Combine 1 1/2 cups flour, 1 cup granulated sugar, 1/2 cup brown sugar, salt, oatmeal, and the cold, diced butter in the bowl of an electric mixer fitted with a paddle attachment. Mix on low speed until the butter is pea-sized and the mixture is crumbly. Sprinkle evenly on top of the peaches and raspberries. Bake for 1 hour, until the top is browned and crisp and the juices are bubbly. Serve immediately, or store in the refrigerator and reheat in a preheated 350 degree F oven for 20 to 30 minutes, until warm.