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* 4.5 ounces all-purpose flour (about 1 cup)
* 1 cup quick-cooking oats
* 1/2 cup packed brown sugar
* 1/4 teaspoon salt
* 1/4 teaspoon baking soda
* 1/4 teaspoon ground cinnamon
* 6 tablespoons butter, melted
* 3 tablespoons orange juice
* Cooking spray
Filling:
* 1 1/3 cups dried cranberries (about 6 ounces)
* 3/4 cup sour cream
* 1/2 cup granulated sugar
* 2 tablespoons all-purpose flour
* 1 teaspoon vanilla extract
* 1/2 teaspoon grated orange rind
* 1 large egg white, lightly beaten
2. To prepare crust, weigh or lightly spoon flour into a dry measuring cup; level with a knife. Combine flour and next 5 ingredients (through cinnamon) in a medium bowl, stirring well with a whisk. Drizzle butter and juice over flour mixture, stirring until moistened (mixture will be crumbly). Reserve 1/2 cup oat mixture. Press remaining oat mixture into the bottom of an 9×9–inch baking dish coated with cooking spray.
3. To prepare filling, combine cranberries, sour cream, granulated sugar, and remaining ingredients in a medium bowl, stirring well. Spread cranberry mixture over prepared crust; sprinkle reserved oat mixture evenly over filling. Bake at 325° for 40 minutes or until edges are golden. Cool completely in pan on a wire rack.