Spicy Leek and Tofu Soup with Rice Noodles and Peanuts

Name: Spicy Leek and Tofu Soup with Rice Noodles and Peanuts
Ingredients: 4 cups mushroom broth; 4 oz. uncooked rice-flour noodles (or 4 oz. vermicelli, cooked); 3 medium leeks, white and light green parts chopped (6 cups); 2 stalks lemongrass, tough outer sheaths removed, inner core smashed and minced; 1 16-oz. pkg. firm tofu, drained and diced; 2 Tbs. low-sodium soy sauce; 2 Tbs. light brown sugar; 2 Tbs. minced fresh ginger; 1 tsp. garlic-chile sauce, optional; 2 cups fresh bean sprouts; 1/3 cup chopped cilantro; 1/3 cup torn fresh Thai (or regular) basil leaves; 1/3 cup torn fresh mint leaves; 1/2 cup dry roasted peanuts, chopped, optional