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Fermented Pico de Gallo

This dish involves chopping fresh tomatoes and onions, then allowing them to ferment slightly at room temperature for extra depth of flavor. The key ingredients—tomatoes, onions, jalapeños, lime, and salt—combine through natural fermentation, resulting in a tangy, slightly bubbly pico that develops a layered complexity. The final texture is vibrant and slightly softer than fresh pico, with a visible fermentation appearance and a subtle tang.
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Prep Time 10 minutes
Total Time 12 minutes
Servings: 4
Course: Main Course
Cuisine: Mexican
Calories: 20
Ingredients Equipment Method Notes

Ingredients
  

  • 4 cups chopped ripe tomatoes seeded and diced
  • 1 cup diced yellow onion
  • 1 each jalapeño pepper seeded and finely chopped
  • 2 tablespoons fresh lime juice
  • 1 teaspoon salt

Equipment

  • Chef's knife
  • Cutting board
  • Mixing bowl
  • Jar or container with lid
  • Small spoon

Method
 

  1. Chop the tomatoes and onions into small, uniform pieces using a chef's knife on the cutting board, then transfer them to a mixing bowl. Finely chop the jalapeño pepper and add it to the bowl along with lime juice and salt. Mix well to combine all ingredients evenly. Cover the bowl with a lid or plastic wrap and let it sit at room temperature for 8-12 hours to allow fermentation to develop.
    4 cups chopped ripe tomatoes
  2. After the initial chopping, observe the mixture for small bubbles forming on the surface, indicating active fermentation. The color may deepen slightly, and a mild tang should begin to develop. Gently stir the pico to incorporate any fermentation gases.
  3. Uncover the bowl and examine the pico; it should appear slightly softer with a more complex smell, a combination of freshness and tang. Once fermentation has reached your preferred level (typically 8-12 hours), give it a final stir.
  4. Taste a small spoonful to assess the flavor; it should have a noticeable tang and layered complexity. Transfer the pico to a serving dish or store in an airtight container in the refrigerator if not serving immediately.
  5. Present with tortilla chips or as a topping for tacos, garnished with fresh herbs if desired. The pico should display a slightly bubbly surface and a vibrant color with a tangy aroma.

Notes

Fermentation time can be adjusted based on temperature and desired flavor intensity. Use clean utensils to avoid unwanted bacteria.