carrots (well-washed, including the peels) • medium potatoes (with skin if clean) • celery stalk with leaves • zucchini • onion • garlic clove • Salt and pepper to taste • water or vegetable broth (1 liter) • cooked rice (can be from the day before) • egg • breadcrumbs (you can toast and grind stale bread) • Salt, pepper, and spices to taste (oregano or parsley work well)