1 lg. head cauliflower
1 bunch fresh broccoli
1 bunch green onions, chopped
3/4 to 1 c. mayonnaise
1/2 (1.4 oz.) pkg. buttermilk salad dressing mix
2 tbsp. sugar
2 tbsp. vinegar

Remove outer green leaves of cauliflower, and break into flowerets; wash thoroughly. Set aside. Trim off large leaves of broccoli. Remove stalks, separate into flowerets and wash thoroughly. Combine cauliflower, broccoli, and onions; toss gently. Combine remaining ingredients; mix well and pour over vegetables, tossing gently. Cover and chill overnight.