Heat oven to 450 degrees F.
Wash and dry potatoes; pierce on all sides with fork. Rub with oil; season with salt and pepper. Place in shallow baking pan.
Bake in 450 degree F oven for 1-1/4 hours or until fork-tender.
Heat tomato sauce in saucepan. Stir in chili powder and beans; simmer about 5 minutes.
Place potatoes in shallow serving dish. Slash tops lengthwise. Pour chili sauce evenly over each. Sprinkle with cheese and green onion.
