Rockin' Chimichurri Steak Tacos

Bahan-bahan (10 porsi)

• 1 jalapeño
• 1 handful cilantro
• 5 g arlic cloves
• juice of 2 limes
• juice of 1 orange
• 2 tablespoons vinegar
• 2 tablespoons Worcestershire
• 1/2 cup olive oil
• 1 tablespoon brown sugar
• 1 tablespoon cumin
• 1 tablespoon salt
• 1 teaspoon pepper
• 2 -3 pounds flank steak
• corn or flour tortillas
• red onion
• cotija cheese
• cilantro
• guacamole (see notes)
• chimichurri (see notes)