Tangy Spinach Salad - cooking recipe

Ingredients

1/2 onion, chopped
1/3 cup white sugar
1/4 cup apple cider vinegar
1/4 cup canola oil
1 1/2 tablespoons prepared yellow mustard
1/2 teaspoon salt
1/2 teaspoon celery seed
1/4 teaspoon ground black pepper
1 (9 ounce) bag fresh spinach, chopped
2/3 cup herb-seasoned stuffing mix (such as Pepperidge Farm(R) Cubed Herb Seasoned Stuffing)
3 hard-boiled eggs, crumbled
1/3 cup crumbled cooked bacon

Preparation

Whisk onion, sugar, apple cider vinegar, canola oil, yellow mustard, salt, celery seed, and black pepper together in a bowl until well combined. Chill in refrigerator at least 2 hours to blend flavors.
Mix spinach, stuffing mix, eggs, and bacon together in a large bowl. Add dressing and stir to coat.