One of the best Hawaiian Paleo dishes I love is Lau Lau. I eat it all the time. Luau leaves are fresh, from the Taro plant. It may be hard to find on the US. Mainland. I heard some people use spinach in its place, but it would be hard to wrap. I got the recipe from the food network:

Ingredients
12 to 24 large luau leaves (leaves of the taro root plant), as needed to wrap proteins
1 (2 to 3-pound) pork butt, cut into 6 pork-chop sized slices
6 (6-ounce) boneless chicken breasts
12 (3-ounce) pieces sablefish, butterfish or other fish of your choice
Sea salt, as needed to taste

24 ti leaves to serve as wrappers, or aluminum foil (ti leaves are not to be eaten, but are used as the packaging material to bake/steam the luau leaf packets)

Directions
For the luau leaves, have a large bowl of ice water standing by. In a large pot fitted with a steamer basket (or use a stainless steel colander with handles), steam the luau leaves until soft but still bright green, and then plunge the steamer basket into the ice water to stop the cooking. Set the steamer basket on a utility platter or over a pot to let drain well and cool.
Lay the steamed luau leaves out on your work surface, then lay a piece of chicken or a piece of pork on each leaf topped with a piece of fish. Season with sea salt. Enclose the meat and fish in the luau leaves and then package them in ti leaves or aluminum foil. If you are using ti leaves, arrange the leaves perpendicular to each other in across arrangement. The stem of the ti leaf acts as the “string” to tie the package shut. The chicken and pork lau lau can then be cooked in an imu (the earthen oven) or in a conventional oven at 350 degrees F until cooked through, about 1 hour.