Prepare rice according to package directions.

To prepare the chimichurri place the parsely, garlic, olive oil and vinegar in the bowl of a food processor. Process until finely chopped. Season with salt and pepper to taste.

In a medium skillet, brown the beef over medium heat, seasoning with salt and pepper to taste.

In a large bowl, combine prepared chimichurri, beef, jalapeños and rice. Fold in sour cream. Serve warm with plantain chips, favorite cracker or chip.