Spicy Kimchi Stew Recipe

Name: Spicy Kimchi Stew Recipe
Ingredients: 2 cups chicken broth; 4 cups water; 2 tsp. dashi powder; 1 cup kimchi, diced; 3 tbsp. doenjang (soy bean paste); 2 tbsp. gochujang (Korean chili paste); 2 tbsp. soy sauce; 1 tbsp. fish sauce; 2 tsp. mirin; 8 oz. firm tofu; 8 oz. udon noodles; 8 oz. Korean rice cakes (optional); 1/2 lbs. shrimp; 1/2 lbs. white fish, cut in 1 pieces; 2 packages enoki mushrooms; 1 bag fresh spinach; sesame oil (for garnish); egg (optional)