01 - Rinse blueberries thoroughly and pat dry with a paper towel. Halve or quarter any larger berries for uniform texture.
02 - In a medium mixing bowl, combine the prepared blueberries, diced cucumber, chopped red onion, minced jalapeño, and fresh cilantro.
03 - Pour the fresh lime juice over the mixture and add the lime zest. Season with sea salt and freshly ground black pepper.
04 - Gently toss all ingredients together using a spoon, being careful not to crush the blueberries, until evenly combined.
05 - Refrigerate the salsa for 10 to 15 minutes to allow the flavors to meld and develop.
06 - Serve chilled as a dip with tortilla chips, or use as a refreshing topping for grilled fish, chicken, or tacos.