Dad's Cabbage Coleslaw | Cooking Professionally

Ingredients

• 1 medium head cabbage, shredded
• 1 large red onion, diced
• 1 cup carrots, grated
• 2 stalks of celery, chopped
• 1 cup white sugar
• 1 cup white vinegar
• 3/4 cup vegetable oil
• 1 tablespoon salt
• 1 tablespoon dry mustard
• black pepper, to taste