Chlorophyll is the green pigment found in all plants. Not only is it imperative for plant growth, but it may also provide antioxidant and immunity help for us. Lutein is part of the carotenoid family (responsible for yellow, red and orange pigments in fruits and vegetables), but it cleverly hides behind the green mask of chlorophyll in kale, which is one of the only good food sources available. Lutein may also be good for eye health. It needs a little fat to be absorbed best by the body (that's no problem with this dish, as the coconut milk will do the trick).
Combine the cilantro, mint, coconut milk, 2 tablespoons water, 1 tablespoon of the oil, the brown sugar, lime juice, garlic, ginger, pepper and 1/4 teaspoon salt in a food processor. Pulse until smooth, then transfer to a small bowl.
Lay out a 24-inch piece of foil on a baking sheet. Toss the kale with the remaining 1 tablespoon oil and a pinch of salt. Arrange in a single layer in the middle of the foil. Nestle the fish filets on the kale and sprinkle with 1/4 teaspoon of salt. Evenly spread the green curry sauce over each filet. Top loosely with another 24-inch piece of foil (try to keep the foil from touching the fish) and seal the edges.
Bake the foil pack until the fish is just cooked through and the greens are crisp-tender, 15 to 20 minutes. Carefully unseal the foil pack, and divide the fish and greens among four plates. Top with cilantro and serve with lime wedges.