Cut the long outside skirt steak into small foot size pieces.
Place the unseasoned skirt steak pieces into a slider bag or deep container and start adding the marinade ingredients. Add orange juice, grated white onion and jalapeno pepper, fresh cilantro and Dad's Taco seasoning.
Close the slider bag and make sure to mix the ingredients together with the steak.Set in the fridge overnight.
In a blender add the pitted avocados, handful of cilantro, salt, tomatoes, white onion, freshly squeezed lime juice, water and more Dad's Taco seasoning. Blend the ingredients together until you get a smooth consistency. Place it in the fridge until you are ready to plate.
To prepare the tortillas, slowly add one cup of warm water to one cup of the masa harina. Mix the water into the masa using your hands until all the powder is incorporated. Next roll out golf sized balls of the masa.
Using a tortilla press, flatten the masa balls into flat raw tortillas, one at a time.
Preheat the grill to a high heat. Place a comal or a cast iron skillet on the grates to heat up. Add the raw tortilla's to the pan and flip after 1 minute.
Wrap them in a towel to keep warm and to prevent from drying out
Preheat the grill to 450 degrees and set for direct heat. Cook the marinated steak pieces 2 minutes per side.
Remove it off the grill and let it rest for 10 minutes wrapping it in foil.
Before serving, cube up the grilled outside skirt steak into small bite size cubes.
Top each tortilla with a spoonful of the steak, top with some freshly chopped white onion and cilantro, add the homemade avocado salsa and enjoy this amazingly delicious marinated steak tacos.