Ingredients

1 medium tomato, cut into 1/4-inch dice (1 cup) 

1/4 medium white onion, cut into 1/4-inch dice (1/2 cup) 

2 small serrano chiles, stems and seeds removed if desired, and cut into 1/4-inch dice 

2 tablespoons chopped fresh cilantro 

1/4 teaspoon coarse salt 

Preparation

Combine ingredients in a bowl. Serve immediately, or refrigerate for up to 1 hour.