1 c. salad oil
3/4 c. sugar
1/2 c. catsup
1/4 c. vinegar
1 med. onion, chopped
1 tsp. dry mustard
Dash of Worcestershire sauce

Mix the above in a blender. Refrigerate; add to salad just before serving.

SALAD:

1 pkg. spinach
1 or 2 avocados, sliced
Fresh mushrooms, sliced
2-3 grapefruit, halved and sectioned
Bacon, fried crisp and broken

Mix salad ingredients; add dressing and serve. Serves 6.