Ideally eat the day it is made. Store any leftover sauce in the fridge for up to 2 days. To make this sauce in a food processor, add all the ingredients and blitz until thoroughly combined.
Mix all the ingredients for the pico de gallo together. Do the same for the chimichurri ingredients together. To serve, slice the steaks and layer them fanned out on the plate. Spread the pico de ...
And, in Argentina, that can only mean one wine -- Malbec. Chimichurri is a simple herbaceous sauce typically made with parsley, oregano, oil, red wine vinegar, garlic, chiles, and shallots.