Step 1

Blend all of the ingredients together until completely combined.

Step 2

Strain the liquid over a bowl to end up with a smooth marinade.

Step 3

Add one layer of meat in a large bowl or baking dish and cover with the marinade, and then repeat in layers until all of the meat and marinade have been used.

Step 4

Cover with aluminum foil and refrigerate for at least 4 hours (overnight is best)

Step 5

Remove from the refrigerator and grill the meat until cooked through.

Step 6

Remove from grill and cut into thin slices to serve on the tacos.

Step 7

Roast the tomatillo, onion, and garlic in the oven on baking sheet at 450 degrees for 8-10 minutes, remove from oven.

Step 8

Blend with the rest of the ingredients except the salt and pepper until well combined.

Step 9

Put in a bowl and season with salt and pepper to taste.

Step 10

Heat the tortillas with a little bit of oil.

Step 11

Add the meat, the pineapple, the salsa, the lime juice, the cilantro and onions, and enjoy!