Thai Meatball Soup

Name: Thai Meatball Soup
Ingredients: 1/2 lb ground pork; 1/2 lb ground beef; 1 tablespoon very finely grated ginger; 1/2 teaspoon red pepper flakes; 1/2 teaspoon roasted cumin powder; 1 teaspoon Chinese five spice powder; 1/2 teaspoon white pepper; 1 teaspoon sea salt; 10 cups homemade beef broth; 6 baby bok choy, Tore Into Pieces; 2 cups extra firm tofu, Small Cubes; 2 cups shiitake mushrooms, Chopped; 1 bunch scallion, Sliced Thin; 4 tablespoons soy sauce; 3 teaspoons fish sauce; 16 ounces japanese udon noodles; sriracha sauce (to garnish)