| Instructions |
| 1. |
|
Place fish in a glass baking dish, and pour lemon juice over. Season with salt and pepper. Chill while preparing sauce. |
| 2. |
|
Blanch tomatoes in a pot of boiling water for 20 seconds. Drain and peel. Cut tomatoes in half and squeeze out seeds. Chop and set aside. |
| 3. |
|
Heat oil in a large heavy skillet over medium heat. Add onions, cover, and cook until soft and golden brown, about 20 minutes. |
| 4. |
|
Add garlic and sauté for about 30 seconds. Mix in cumin, then tomatoes, and simmer for about 5 minutes. |
| 5. |
|
Add fish with lemon juice and simmer until fish is just cooked through, about 10 minutes. |
| 6. |
|
Remove fish to a platter using slotted spatula. Boil remaining sauce until it thickens slightly (about 5 minutes), and season with salt and pepper. |
| 7. |
|
Spoon sauce over fish and serve. |