Slice the beef into thin strips and season with salt and pepper. Set aside.
Slice the bell peppers and onion into thin strips. Set aside.
Heat oil in a large skillet over medium high heat. Add the beef, bell peppers, and onion. Cook until the beef is browned and the vegetables are tender, stirring occasionally.
Warm the tortillas and assemble the fajitas with the cooked beef mixture, cilantro lime rice, and guacamole. Serve immediately.
Chefβs Insight
Balance the flavors of spicy beef and tangy guacamole with the brightness of cilantro lime rice for a truly immersive Tex-Mex experience.