1 Preheat oven to broil, and place oven rack in highest position. Place onion, garlic head, and ginger on baking sheet, and broil 3 to 5 minutes, or until brown and beginnng to blacken, turning occasionally. Transfer to large pot or Dutch oven.
2 Toast star anise, anise seeds, coriander seeds, and cinnamon sticks in small dry skillet over medium-low heat 3 minutes, or until fragrant. Add spices to onion mixture in pot, then add broth and 6 cups water. Bring mixture to a boil, reduce heat to low, and simmer, partially covered, 1 hour. Strain broth, and discard solids. (You should have 8 cups of broth.) Return broth to pot, and stir in Liquid Aminos. Bring to a simmer over medium-low heat.
3 Meanwhile, prepare rice sticks according to package directions. Cook bok choy and green beans 4 minutes in large pot of boiling salted water. Drain noodles and vegetables.
4 Divide noodles and vegetables among four bowls. Pour 2 cups broth over top, then top with bean sprouts, and sprinkle with herbs and fried shallots (if using).