Make Ahead Coleslaw

Ingredients

• 1 large head cabbage, chopped
• 2 green onions, finely chopped
• 2 stalks celery, chopped
• 2 large carrots, shredded
• 1 large green pepper, chopped
• 1 cucumber, thinly sliced
• 1/2 c. wine vinegar
• 1/2 c. vegetable oil
• 1/2 c. sugar
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1 tsp. dry mustard