- 2 cups diced watermelon
- 1 cup chopped sweet onion (such as Vidalia®)
- 1 serrano chile pepper, diced
- 1 serrano chile pepper, seeded and diced
- 1 clove garlic, minced
- 2 tablespoons chopped fresh cilantro
- 1/4 teaspoon coarse salt
- 2 pinches garlic powder
- Combine the watermelon, onion, serrano chile peppers, garlic, and cilantro in a large bowl; add the salt and garlic powder and stir to combine. Cover the bowl with plastic wrap and refrigerate at least 1 hour before serving.