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How to make carne asada
Combine the marinade ingredients.
In a large bowl, whisk together all ingredients except for the steak.
Make sure to use a bowl or baking dish made from a non-reactive material, like glass.
The acid in the vinegar and lime juice can react with metals like aluminum, making them a poor choice. If you are unable to find fresh jalapeno peppers, you could also use a serrano chile, which is just about as hot as a jalapeno is.