Endless Cole Slaw

Ingredients

• 3 lb. cabbage (1 medium head), shredded
• 1/2 green bell pepper, shredded
• 1/2 red bell pepper, shredded
• 1 medium onion, chopped
• 1 c. cider vinegar
• 1/2 c. vegetable oil
• 1/2 c. sugar
• 1 1/2 tsp. dry mustard
• 1 tsp. celery seed
• 1 tsp. salt
• 1/2 tsp. pepper