Place onions, pepper, tomato, black beans, olive oil, garlic, cumin, salt and pepper in a medium sized sauté pan over medium low heat and cook covered for 2 minutes. Uncover and cook for 5 minutes more, transfer to a baking pan. Place cabbage leaves over the vegetables.

Rub the fish with lime peel, and half of the cilantro. Place over the cabbage in the baking pan and transfer to a 375F oven. Cook for 20 minutes.

Prepare the yogurt mixture by mixing the other half of cilantro to the greek yogurt with half of the peel of one lime.

Remove the pan from the oven, and sprinkle the fish with lime peel, place a tablespoon of yogurt mixture and lime slices.

Add another dollop of prepared yogurt to the black beans, mix and serve on the side.