Here's a recipe from Victorian Epicure

1 - 8oz package spreadable cream cheese
1/2 cup grated cheddar cheese
1/2 cup grated mozzarella cheese
1 cup low fat mayo
1 tsp VE Cheese, Chives and Bacon Dip mix
1 tsp VE Lemon Dilly Dip Mix
1tsp VE 3 Onion Dip mix
1 round sour dough loaf

Preheat oven to 350
Combine first 7 ingredients until well blended
Cut off top of loaf and scoop out to make a bread bowl. Cut remaining loaf cubes and reserve for dipping.
Spoon cheese mixture into bread bowl. Place in oven for 20 - 30 minutes, or until heated through.