Wash lettuce, without pulling head apart; remove core.
With a tbsp, remove enough of the lettuce around core to leave a cavity 2 to 3 in diameter
Save removed lettuce for another use
Combine cheeses, carrot, green pepper, tomato, pepper, salt, and onion, pack firmly into lettuce cavity.
Wrap lettuce head in plastic wrap and chill until centre is cold
Slice lettuce into wedges
Serve with any of The Jungle Farm vinaigrettes - strawberry, saskatoon, raspberry, black currant.