In a bowl, add the red flake pepper, cumin, knorr, garlic powder, cornstarch and the lime juice. Add the beef and mix.
Deseed the peppers and julienne/slice, also slice the onion.
Remove the pepper onto a plate or if you like you can return the beef to the pepper and mix together.
Place a tortilla in a place and add the pepper, beef. You can add sour cream, avocados, cheese, lime or salsa for the toppings while serving.