the best make-ahead slaw

Ingredients For the best make-ahead slaw

• 1

  medium head cabbage - shredded
• 1

  med red onion - sliced thin
• 1 c

  bell peppers - sliced thin (i use the small, multi-colored type)
• 1 c

  cilantro - chopped (we love cilantro, so the amount can be downsized to taste)
• 1 c

  carrots, shredded or grated
• 1/2 c

  white wine vinegar
• 1/2 c

  vegetable or canola oil
• 1/2 c

  sugar
• 2 tsp

  dijon mustard
• 1 tsp

  salt
• 1 tsp

  mustard seed
• 1 tsp

  celery seed