Blueberry-Nectarine Crisp
["1 1/2 lb. nectarines, cut in eighths", "1 pt. blueberries (about 2 c.)", "1/2 c. granulated sugar", "4 tsp. lemon juice", "1 Tbsp. cornstarch", "1 c. flour", "1/2 c. light brown sugar", "1/2 c. (1 stick) butter"]
["Heat oven to 375\u00b0. Toss nectarines, blueberries, granulated sugar, lemon juice and cornstarch in large bowl. Spoon fruit mixture into 8 x 8 x 2-inch dish. Mix flour and brown sugar. Mix butter into flour mixture until crumbly. Sprinkle over top of fruit. Bake at 375\u00b0 for 50 to 60 minutes."]
["nectarines", "blueberries", "sugar", "lemon juice", "cornstarch", "flour", "light brown sugar", "butter"]