Ingredients

1 small red onion (about 4 ounces), sliced crosswise as thinly as possible 

3 tablespoons fresh lemon juice 

1/2 teaspoon salt 

1/4 teaspoon freshly ground pepper 

1 tablespoon chopped cilantro leaves 

Preparation

Toss together onion and lemon juice in a small bowl and let marinate at room temperature for 20 to 30 minutes. Drain onions in a colander. Return to bowl and toss with salt, pepper, and cilantro.