Broccoli & Cauliflower Salad

2 heads broccoli-cut into small pieces
1 head cauliflower-cut into small pieces
small purple onion-chopped
1/3 C. bacon bits (soft kind)
1/2 C. sunflower seeds (without shells)
1/2 C. raisins
1 C. grape tomatoes

Dressing: (make 1 1/2 times; so add 1/2 to each ingredient)
1 C. mayo
1/3 C. sugar
1/2 tsp. salt
2 tsp. red vinegar

Mix & pour over salad.