Casamance Stew

Ingredients

• lemon juice -- fresh OR lime juice
  1/2 cup
• white vinegar
  1/2 cup
• tamari soy sauce
  2 tablespoons
• peanut oil
  2 tablespoons
• fresh ground black pepper
  1 teaspoon
• garlic cloves -- minced
  3 large
• or more chiles—minced and seeded
  2 unit
• fillets—firm such as monkfish
  11/2 pounds
• Onion -- sliced
  4 cups
• sweet potatoes -- 1-inch cubes
  2 cups
• peanut oil
  1 tablespoon
• red bell pepper -- chopped
  1 unit
• salt -- to taste
  1 unit