I have two that I use

#1 is;
packet frozen chopped spinach
300ml tub sour cream
packet philly cheese
packet of french onion or spring vegetable soup.

Thaw and drain the spinach and mix with the soup mix and the cream and cheese, put in the cob loaf and put in the oven for 15-20 mins and serve.

#2 is;
200grams diced bacon
200grams grated cheese
1/2 cup chopped shallots
300ml sour cream
packet philly cheese

combine all the ingredients and put into the loaf and put in the oven for about 15-20 minutes.