2 lbs flank steak

1 yellow onion, chopped

1 green bell pepper, chopped

1 red bell pepper, chopped

1 jalapeno, seeded and chopped

for spice rub—

2 tsp chili powder

1 tsp cumin

1/4 tsp onion powder

1/4 tsp garlic powder

1/4 tsp cayenne pepper

1 tsp salt

1/2 tsp black pepper

for serving—

corn tortillas

avocado slices

cilantro

your favorite salsa

limes