My Mom's Slaw Dressing and other slaw options

Not to be outdone by my Dad's French dressing, here is my mom's recipe for coleslaw dressing.  It was published in the same cookbook as my Dad's.

Slaw Dressing

1 cup sugar
1 cup vegetable oil
1 tsp celery seed
1 tsp dry mustard
1 tsp salt
1 medium onion, grated
1/2 cup white vinegar

Mix together first 6 ingredients.  Slowly add vinegar.  Beat until thick.  Refrigerate.

BONUS: Here's another slaw dressing recipe that's just a little less sweet than Mom's.

Scant 3/4 cup mayo 

2 tablespoons apple cider vinegar

1 tablespoon Dijon mustard

1 tablespoon pure maple syrup

¾ teaspoon celery seeds

¼ teaspoon sea salt

Freshly ground black pepper