Ingredients (10)

2 ripe avocados

1/4 teaspoon salt, plus more to taste

1 tablespoon fresh lime or lemon juice

2-4 tablespoons minced red onion or thinly sliced green onion

1-2 serrano (or jalapeño) chilis, stems and seeds removed, minced

2 tablespoons cilantro (leaves and tender stems), finely chopped

Pinch freshly ground black pepper

1/2 ripe tomato, chopped (optional)

Red radish or jicama slices for garnish (optional)

Tortilla chips, to serve