- 1 cup finely chopped red onion
- 1 jalapeno pepper, seeded and finely chopped – or more to taste
- 2 limes, juiced
- 2 1/2 cups Roma (plum) tomatoes, seeded and chopped
- 1/2 cup chopped fresh cilantro
- 1 teaspoon salt
- Mix red onion, jalapeno pepper, and lime juice in a bowl. Allow to stand for 5 minutes. Mix in Roma tomatoes, cilantro, and salt; allow to stand 15 more minutes for flavors to blend.