In a bowl, combine the lime, olive oil, cilantro, chili(es), garlic, oregano, cumin, and salt and pepper to taste.
¼ cup olive oil, ¼ cup fresh cilantro, 1 serrano or jalapeño chilies, ½ tsp. oregano, ¼ tsp. ground cumin, Sea salt and freshly ground black pepper, 1 tbsp. fresh lime juice, 2 garlic cloves
Pour the marinade over the steaks, and let marinate for 30 minutes.
2 skirt steaks
Grill the steaks on both sides to your desired doneness (about 3 to 4 minutes per side for medium rare).
Let the steak rest for a few minutes.
Heat the olive oil in a skillet over medium heat, and cook the onion and bell peppers for 2 to 3 minutes.
2 bell peppers, 1 onion, 1 tbsp. olive oil
Add the mushrooms, taco seasoning, lime juice, and salt and pepper to taste.
Juice of 1 lime, 2 to 3 large portobello mushrooms, 1 tbsp. taco seasoning, Sea salt and freshly ground black pepper
Cook for 4 to 5 minutes stirring until it starts to soften, but is still firm.
Slice the steak against the grain, and serve with the portobello and vegetable medley.