1. Cut bread in half lengthwise; carefully hollow out top and bottom of loaf, leaving 1/2-in. shells. Cube removed bread; set aside.
2. In a large bowl, combine the artichokes, pepper Jack cheese, sour cream, green chilies, garlic and 1 cup cheddar cheese. Add bread cubes and toss to coat. Spoon filling into bread shells; sprinkle with remaining cheddar cheese.
3. Place on an ungreased baking sheet. Cover with foil. Bake at 350° for 15 minutes. Remove foil; bake 10-15 minutes longer or until heated through. Slice and serve warm. Yield: 16 servings.