-
Place a small saucepan on a high heat. Add the beans, clamp on the lid and cook for 1 minute. Stir and return the lid. Cook for another minute or until the beans are hot.
-
While the beans are cooking, drain the tuna. Chop the sun dried tomato.
-
When the beans are cooked, remove from the heat. Stir in the tuna, olives and tomato. Leave off the heat while you make the dressing.
-
Combine vinegar, mustard, oil and a pinch salt in a small bowl. Toss dressing into the beans. Serve warm.