In a small bowl, combine the cilantro, lemon juice, and olive oil, and season to taste with salt and pepper.
¼ cup fresh cilantro, 2 tbsp. fresh lemon juice, ¼ cup extra virgin olive oil, Sea salt and freshly ground black pepper
In a larger bowl, combine the tuna, cucumber, avocado, and red onion.
2 cups cooked and flaked tuna, 1 to 2 avocados, ½ red onion, 1 English cucumber
Drizzle the vinaigrette over the salad and toss everything gently.
Sprinkle the paprika over the salad if using, and refrigerate until ready to eat.
½ tsp. paprika