Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   4      6 oz.         mahi mahi steaks
   2      teaspoons     olive oil
   1      small         purple onion -- thinly sliced
   2                    garlic cloves
                        salt
                        freshly ground pepper
   2      large         tomatoes
                        -- peeled, seeded and
                        -- chopped
   1      handful       chopped arugula*
                        -- , (fresh)

Preparation:

*(watercress can be substituted) Pat steaks dry, brush with 1 tsp. olive oil, and grill over medium hot coals. Use remaining 1 tsp. of olive oil to coat the bottom of a skillet. Sauté‚ onion and garlic with salt and pepper until onion is translucent and garlic has begun to color. Add tomatoes; cook until they begin to glisten. Add arugula, tossing to blend. Adjust salt and pepper, serve over grilled fish.