snack Tuna-Stuffed Avocado Half an avocado scooped out and refilled with a yogurt-lemon tuna salad. 6min prep 0min cook easydifficulty Servings − + Ingredients ½ avocado 80 g tuna (½ can) 1 tbsp Greek yogurt squeeze lemon parsley pepper Method Halve avocado and pit it. Mix tuna with Greek yogurt, lemon juice, dill (or parsley) and pepper. Spoon into the cavity.