Hot Bacon Spread

1 (1 pound) loaf unsliced round Italian bread
2 cups shredded Monterey Jack cheese
1 cup shredded Parmesan cheese
1 cup mayonnaise
1/4 cup chopped onion
5 bacon strips, cooked and crumbled
1 garlic clove, minced

Cut top fourth off loaf of bread; carefully hollow out bottom, leaving 1-in. walls. Cube removed bread and set aside. Combine the remaining ingredients; spoon into bread bowl. Replace top. Place on an ungreased baking sheet. Bake at 350 degrees F for 1 hour or until heated through. Serve with reserved bread cubes.