Fresh Salsa (Pico de Gallo)

Ingredients:

• 6 tomatoes, preferably Roma (or 3 large tomatoes), gently rubbed under cold running water and diced
• ½ medium onion, scrubbed with clean vegetable brush under running water and finely chopped
• 1 clove garlic, finely minced
• 2 serrano or Jalapeno peppers, washed and finely chopped (optional)
• 3 Tablespoons fresh cilantro, gently rubbed under cold running water and chopped
• Juice of 1 lime
• ⅛ teaspoon dried oregano, finely crushed
• ⅛ teaspoon salt
• ⅛ teaspoon ground black pepper
• ½ avocado, gently rubbed under cold running water and diced