Preheat oven to 350°. Sprinkle flour into oven bag; shake to coat. Add potatoes, carrots, corn, 1/2 teaspoon salt, 1/4 teaspoon pepper and 1/8 teaspoon paprika. Shake bag to coat vegetables; place in a 13x9-in. baking pan.
Place onion and rosemary sprigs in cavity of chicken. Rub skin with oil; sprinkle with minced rosemary and remaining salt, pepper and paprika. Skewer chicken openings; tie drumsticks together. Place chicken in center of bag, breast side up; place vegetables around chicken.
Cut six 1/2-in. slits in top of bag; close with tie provided. Bake 1-1/4 to 1-1/2 hours or until a thermometer inserted in thickest part of thigh reads 170°-175°. Let stand in oven bag 15 minutes before carving. Discard onion and rosemary sprigs.
