In a mixing bowl, whisk together the lime juice and seasonings.

Dice the tomatoes and red onion and add to the bowl.

Use a spoon to remove the membrane and seeds from the jalapeno then dice. Add to the bowl with the chopped cilantro.

Stir until all of the ingredients are combined.

Season with freshly ground black pepper and additional salt if needed.

Chill for at least 2 hours before serving.