Ingredients

• 2 tablespoons olive oil
• 2 leeks chopped (white parts only)
• 10 oz shiitake mushrooms stemmed and sliced
• 3 tablespoons white wine
• 3 tablespoons vegetable broth
• 1/4 teaspoon salt
• 1 pinch pepper

Fish:

• 2/3 cups matzo meal
• 1/2 teaspoon dried thyme
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 pinch cayenne pepper
• 1/4 cup potato flour
• 1 egg beaten
• 4 fish fillets (4 to 6 oz/ 4 125 to 175 g each)
• 2 tablespoons olive oil