Chocolate dessert fondue (crockette)

1. Rub crock wall with butter.
2. Place candy bars, milk, marshmallows in crockette.
3. Cover and cook, stirring every 30 minutes, until melted and smooth.
4. Gradually add whipping cream.
5. Cover and keep warm for serving up to 2 to 6 hours later.
6. Serve with bite size pieces of angel food cake, yellow cake, bananas, strawberries, grapes, mandarin oranges.