Foryoueats: Hot Tofu (Yudofu)

Ingredients

• 1 medium-firm tofu (momen dofu) (14 oz, 397 g)
• 1½–2 cups water (add more if your pot is bigger)
• mitsuba (Japanese parsley) (or any green vegetable you like for color)
• 1 piece kombu (dried kelp) (2 x 2 inches, 5 x 5 cm per piece)
• 1 Tbsp sake
• ¼ tsp Diamond Crystal kosher salt
• For the Sauce (optional):
• ¼ cup soy sauce (4 Tbsp)
• 1 tsp mirin
• ½ cup katsuobushi (dried bonito flakes) (packed loosely)
• For the Toppings (optional):
• green onion/scallion
• grated ginger
• shichimi togarashi (Japanese seven spice)
• yuzu kosho (Japanese citrus chili paste)