Basque Tuna & Potato Casserole

INGREDIENTS

• 2 lbs fresh tuna
• 5 tablespoons olive oil
• 1 onion, diced
• 4 garlic cloves, chopped fine but not minced
• 2 green peppers, diced
• 2 large Tomatoes, seeded and diced
• 1 teaspoon paprika
• 1 fresh chili peppers or 1 pinch cayenne
• 1/2 teaspoon sea salt (or to taste)
• 1/4 teaspoon pepper
• 2 lbs potatoes, peeled and sliced
• water
• 1/2 cup white wine (optional)
• 2 tablespoons fresh parsley, minced (optional)