Tuna salad

Name: Tuna salad
Cook time: 15 min
Total time: 15 min
Yield: 1
Ingredients: 1 small red onion; 20 g pitted green olives; 50 g Tuna fish natural; 1 Roman salad heart; 4 TABLESPOONS Orange juice; 1-2 TABLESPOONS Balsamic vinegar; 1 Msp medium hot mustard; 1 TABLESPOON Oil; 7-10 Tbsp Salt; 7-10 Tbsp Pepper; 7-10 Tbsp Sugar; 5 pieces (á 5 g) Fresh cheese taler