Marinated Vegetables

Ingredients

• 1 head broccoli, broken into florets
• 8 large, fresh mushrooms, sliced
• 1 chopped bell pepper
• 3 chopped celery stalks
• 1 head cauliflower, broken into florets
• 1 c. sugar
• 2 tsp. dry mustard
• 1 tsp. salt
• 1/2 c. vinegar
• 1 1/2 c. vegetable oil
• 1 small onion, grated
• 2 Tbsp. poppy seed