How To make Orientle Spinach Salad

1 Bunch of spinach
1 cn Water crestnuts(sliced)
1 cn Bean sprouts(drained)
2 Hard boiled eggs
1/4 lb Bacon (fried and crumbled)

DRESSING:

1/2 c Oil
1/8 c White vinegar
1/2 c Med. onion
1/4 c Sugar
1 t Salt
3 t Ketchup
Blend dressing one day in advance.