• 3 peeled and cut into 4-inch chunks 2 pounds white potatoes
• 3 Carrots, sliced lengthwise and cut into 3/4-inch pieces (about 2 1/4 cups), medium
• 3 Celery, cut into 3/4-inch pieces (about 1 cup), ribs
• 1 1/2 cups Peas, cooked
• 2 Portabella mushrooms, cut into 3/4-inch pieces (about 4 cups), medium
• 1 1/2 Yellow or white onions, large