Whisk butter and mustard together and add salt, black pepper, and cream. Mix and set aside.
Slice a burger bun, spread mustard sauce on bottom bun, and place lettuce.
Thaw K&N's Bologna Slices as per instructions on pack, fold to half and layer one after other on bun.
Place a slice of cheese, tomato, onion, capsicum, cucumber, Thousand Island sauce, pickled cucumbers, and black olives.
Cover with top bun and serve fresh.
Whisk ingredients together to make sauce.