Vegetable Stock by Fork To Spoon

onion, carrots, mushrooms, celery, water, salt, pepper

– 1 large onion, peeled and cut up in large chunks
– 3 carrots, peeled and diced
– 1 cup of mushrooms
– 4 stalks of celery, peeled and diced
– 10 cups of water
– 2 teaspoons of salt
– 2 teaspoons of pepper