- 1 1/2 cups old-fashioned oats
- 1 1/2 cups all purpose flour
- 1 cup firmly packed brown sugar
- 1/2 teaspoon baking soda
- 1 cup (2 sticks) chilled unsalted butter, cut into small pieces
- 1 12-ounce package frozen blueberries, thawed
- 2/3 cup raspberry jam
- 5 teaspoons all purpose flour
- 1 1/2 teaspoons minced lemon peel
- Preheat oven to 375°F. Butter 13x9x2-inch glass baking dish. Combine first 4 ingredients in medium bowl. Add butter; rub with fingertips until mixture resembles coarse meal. Press half of crumb mixture onto bottom of prepared pan. Bake crust until light brown, about 15 minutes. Cool slightly.
- Mix blueberries, jam, flour and lemon peel in bowl.
- Spread filling over crust. Sprinkle remaining crumb mixture over. Bake until topping is golden, about 35 minutes. Cool in pan. Cut into squares and serve.