Pasta Salad with Celery Stalks
For the pasta salad, cook the pasta in salted water until al dente, rinse with cold water. Unthread celery like rhubarb, then cut into noodles. Drain tomatoes, cut into rough cubes. Drain canned tuna. Stir yogurt with salt, sugar and vinegar to make marinade. Mix all ingredients and let stand for 1/2 hour.