You are here: Home » Recipes » Blueberry Oatmeal Crumble Bars Blueberry Oatmeal Crumble Bars Recipe by Chilean Fresh Fruit Association Yield 9 servings Try these blueberry treats for breakfast or a snack. © 2010 Chilean Fresh Fruit Association Media Center PrintEmail Ingredients Filling:3 cups fresh blueberries1/2 cup sugar2 tablespoons orange juice1 tablespoon cornstarchCrust and Crumble:2 cups old fashioned rolled oats3/4 cup flour3/4 cup brown sugar, packed1 1/2 teaspoons grated orange zest1/4 teaspoon baking soda1/4 teaspoon salt1 1/4 -- sticks sweet butter, melted Instructions Preheat oven to 350F. Line a 9-inch square pan with parchment paper. For filling: In a medium saucepan stir together all filling ingredients. Bring to a boil over medium high heat stirring often to reduce until mixture is thick & the berries breakdown. 15 minutes. While filling is cooking make crust. For crust and crumble: In a medium bowl mix together the first 6 ingredients. Add melted butter to blend well. Reserve 3/4cup for topping. Transfer remaining mixture to baking pan. Press firmly in bottom to form a crust. Spoon filling in an even layer. Sprinkle with reaming topping. Bake for 30 to 35 minutes. Cool before cutting.