Tofu stew with miso, baby clams and edamame beans - Simple Indeed

Ingredients

• 2 tablespoons olive oil
• 1 onion, diced
• 4 celery stalks, diced
• 1/4 teaspoon Kosher salt
• 2 tablespoons miso
• 1/2 cup Mirin or dry white wine
• 14 ounces (1 package) Tofu, firm, cut into 1 inch cubes
• 10 ounces (1 can) baby clams
• 1/2 cup edamame beans, pre-cooked
• Freshly ground white pepper