Mexican Salad Dressing - cooking recipe

Ingredients

1 c. sugar
1/4 tsp. pepper
1/2 tsp. salt
1 tsp. celery seed
1 tsp. salt
3 tsp. liquid mustard
1/3 c. vinegar
1 c. salad oil
1 medium onion, cut fine

Preparation

Gradually add oil to other ingredients and keep beating until oil doesn't separate.
Add onion last, if desired.