The only thing I have changed in this recipe is that I use balsamic dressing.

Tomato and Endive Salad with Tuna http://www.soscuisine.com/recipe/tomato-endive-salad-tuna

Curly endive, tomatoes and tuna with a mustard-garlic vinaigrette. 2 servings Preparation 10 min  Cooking 5 min 370 calories per serving  Ingredients 1 3/4 cup curly endive, torn   70 g 1 tomatoes, cut into wedges or slices 120 g 2 tbsp olive oil   30 mL 1 clove garlic, minced   1/2 tbsp wine vinegar   8 mL 1 tsp Dijon mustard 5 mL 1 pinch salt [optional]   0.1 g   ground pepper to taste     170 g tuna, canned   6 black olives   2 1/2 tbsp 60 g feta cheese, diced   Method Tear the lettuce leaves into bite-size pieces and put them in a salad bowl. Cut the tomatoes into wedges or slices, then add them to the bowl. Heat the oil in a small saucepan over low heat. Mince the garlic and add it to the pan. Cook 1 min, withstirring, then pour in the vinegar and mustard. Warm through and season to taste with salt and pepper. Pour the dressing over the salad, then add the tuna, olives, and Feta cheese. Toss well and serve.