Pierce potatoes; rub skins with oil. Place in a baking pan. Bake, uncovered, at 400°F for 50 minutes or until tender. Cool.
In a large bowl, combine the Monterey Jack cheese, sour cream, cream cheese, onions, basil, garlic, salt and pepper. Cut potatoes in half; carefully scoop out pulp, leaving thin shells. Add pulp to the cheese mixture and mash; stir in bacon. Spoon or pipe into potato shells.
Place on a baking sheet. Broil 4-6 in. from the heat for 7-8 minutes or until heated through.