Tangy Spinach Salad

Ingredients (12)

• + ½ onion, chopped add to pantry
• + ⅓ cup white sugar add to pantry
• + ¼ cup apple cider vinegar add to pantry
• ✓ ¼ cup canola oil
• + 1 ½ tablespoons prepared yellow mustard add to pantry
• + ½ teaspoon salt add to pantry
• + ½ teaspoon celery seed add to pantry
• ✓ ¼ teaspoon ground black pepper
• + 1 (9 ounce) bag fresh spinach, chopped add to pantry
• + ⅔ cup herb-seasoned stuffing mix (such as Pepperidge Farm® Cubed Herb Seasoned Stuffing) add to pantry
• + 3 hard-boiled eggs, crumbled add to pantry
• + ⅓ cup crumbled cooked bacon add to pantry