01 - Gently rinse and pat dry the blueberries. Halve them if desired for a more approachable bite.
02 - In a mixing bowl, combine the blueberries, diced cucumber, red onion, jalapeño, and fresh cilantro.
03 - Add the lime zest and juice, sea salt, and black pepper. Stir gently until all ingredients are evenly coated.
04 - If using, carefully fold in the diced avocado and red bell pepper, taking care not to mash the avocado.
05 - Taste the salsa and adjust salt, pepper, or lime juice as needed to balance the flavors.
06 - Refrigerate for 10 minutes to allow flavors to meld, then serve with tortilla chips, alongside grilled fish, or over chicken.