1 head cauliflower, cut in pieces
1 bunch of broccoli, cut in pieces
1 red onion, chopped in pieces

DRESSING:

1 c. salad dressing
1/2 c. sugar
1/2 c. oil
1/3 c. red wine vinegar
1/2 tsp. salt
1/2 tsp. pepper
1/2 tsp. dry mustard

Mix dressing until smooth. Pour over vegetables and let set a couple of hours or overnight.