Chinese Hot Pot

Ingredients

• 1 small yellow onion, chopped
• 1 large carrot, halved lengthwise and thinly sliced on a diagonal
• 1 celery, thinly sliced on a diagonal
• 6 ounces can sliced water chestnuts, drained
• 2 garlic cloves, finely minced
• 1 teaspoon peeled and grated fresh ginger
• 1/4 teaspoon red pepper flakes
• 5 1/2 cups vegetable stock
• 1 tablespoon tamari or 1 tablespoon other soy sauce
• 8 ounces extra firm tofu, drained and diced
• 4 ounces fresh shiitake mushrooms, stemmed and caps thinly sliced
• 1 ounce snow peas, strings trimmed and cut into 1-inch pieces
• 3 scallions, chopped
• 1/2 teaspoon toasted sesame oil or 1/2 teaspoon chinese hot oil