Ingredients:

• 2 to 3 medium fresh tomatoes (1 to 1 1/2 pounds), stems removed
• 1/2 medium red onion
• 2 serrano or 1 jalapeño pepper, stems, ribs, and seeds removed (less or more to taste)
• Juice of 1 lime
• 1/2 cup chopped cilantro
• Kosher salt and freshly ground black pepper to taste
• 1 pinch dried oregano (crumble in your fingers before adding), or more to taste
• 1 pinch ground cumin, or more to taste