Vidalia Onion Salad

This challege is harder than I thought it would be - especially making in Game On Friendly.  And this technically isn't sneaking veggies into a food - but it is deceptively delicious.

Vidalia Onion Salad

1/2 lb. vidalia onion, sliced very thin
1/2 green pepper, sliced 2 x 1/4 inch thick
1/2 red sweet pepper, sliced 2 x 1/4 inch thick
2 slices fresh pineapple, cut into sm. chunks
1/2 doz. med. sized redtop lettuce leaves, broken into bite-size pieces
1/2 c. trimmed watercress
8 to 12 sm. Boston lettuce leaves, to line the salad bowl

DRESSING (mix well) :
1/2 c. orange juice
1 tbsp. chopped fresh tarragon
3 tbsp. olive oil
1 tbsp. honey
1 tbsp. white vinegar