In a gallon-size freezer bag, combine the onion powder, paprika, sugar, garlic powder, salt, cayenne, and ground chile. Seal the bag and shake to mix well. Add the steak strips to the bag, reseal the bag, and shake to coat the steak well.
In a cast-iron skillet, heat the avocado oil over medium heat. Add the steak and cook until your desired doneness, 5-20 minutes(depending on how rare or well done you like your steak.) I recommend cooking it to 165F if you plan to keep it for the full five days.
In each of the 3 storage containers, arrange 1.5 cups of romaine lettuce, ⅓ cup black beans, ¼ cup pico de gallo, and ¼ cup cheese.
In each of the small containers add ¼ cup salsa and 2 tablespoons guacamole.
Let the steak cool completely and divide among the storage containers.