Draw a curved half-circle shape for the taco shell
Add a second curved line inside the shell for thickness
Draw a wavy line across the top opening for the filling
Add small rounded shapes for lettuce
Add irregular lines or blobs for meat
Draw small circles or dots for tomatoes
Add shredded lines for cheese
Sketch a few curved lines for extra texture on the shell
Outline the taco with a darker line
Erase any extra sketch marks