1 pound skirt steak
2 tablespoons extra virgin olive oil
2 garlic cloves, minced
1 tablespoon red wine vinegar
1/2 teaspoon salt
1/4 teaspoon black pepper
1 cup white onion, thinly sliced
2 tablespoons chopped fresh cilantro
1 tablespoon fresh lime juice
8 corn tortillas
1 jalapeño pepper, thinly sliced
1/2 cup diced tomato
1/2 cup queso fresco, crumbled