For pesto, combine 1/2 cup oil. grated cheese, basil, sunflower seeds and garlic in a blender; cover and process until blended
In a large skillet, heat remaining oil over medium heat. add chopped red pepper, cook and stir until tender. Add corn and pesto; heat through.
Halve peppers lengthwise; remove seeds. Grill peppers, covered, over medium heat, cut side down, 8 minutes. Turn; fill with corn mixture. Grill 4-6 minutes longer or until tender. IF desired, sprinkle with shredded cheese.