Preheat oven to 375°.
In large bowl, combine sugar with cornstarch. Stir in blueberries and lemon juice. Turn into 8-inch baking dish; set aside.
In medium bowl, combine remaining ingredients. With fingers, gently squeeze flour mixture to form crumbs; evenly sprinkle over blueberries.
Bake 30 minutes or until golden and bubbling. Serve warm or at room temperature.
Go to http://www.countrycrock.com/Recipes/10449/1/Country-Blueberry-Crisp.aspx for more recipe details and nutrition information.