Simmered Beef & Tofu with Egg – Happy Donabe Life

Ingredients

• 1 tablespoon extra virgin olive oil
• 1 tablespoon sesame oil
• 1 medium onion, thinly-sliced
• 2 cloves garlic, thinly-sliced
• 14 oz (400 g) thinly-sliced beef
• 5 oz (150 g) king oyster mushrooms or your choice of mushrooms
• 1/4 cup (60 ml) sake
• 1/4 cup (60 ml) soy sauce
• 2 tablespoons mirin
• 1/2 cup dashi or your choice of stock
• 10 oz (300 g) medium-firm tofu, cubed
• 3 large eggs, beaten
• Green onions, thinly-sliced at an angle
• Dried chili slices
• Ground sansho (Japanese mountain pepper)