1Finely chop the parsley, cilantro, red peppers, and garlic. Combine them in a bowl with red chili flakes, oregano, red wine vinegar, fresh lemon juice, extra virgin olive oil, salt, and black pepper.
2Prepare the cilantro sauce by blending mayonnaise, garlic, cilantro, green chili, lime juice, extra virgin olive oil, salt, and pepper.
3Thinly slice the russet potatoes using a mandoline, then deep-fry until crispy.
4Season the steak with salt and pepper and sear in a hot pan with avocado oil. Add butter, garlic, rosemary, and thyme, and baste the steak with the melted butter until cooked to preference.
5Slice the steak, spread the cilantro sauce on the bread, layer with arugula, steak, chimichurri, and the shoestring fries.