Celery Seed Dressing

1/2 cup sugar 1 teaspoon dry mustard 1 teaspoon salt 2 teaspoons celery seeds 2 teaspoons grated onion 1/3 cup apple cider vinegar 2 teaspoons horseradish 1 cup salad oil (basically, any cooking oil) Directions: In a blender, blend together all ingredients. (Source: Mrs. Alva Bergstrom, Tampa, FL)