How to make
The lettuce leaves are washed and dried. Arrange them at the bottom of a large bowl. Clean two of the apples and cut them into slices.
Sprinkle with lemon juice and arrange on the lettuce leaves. The other two apples, are peeled and cut into cubes. Also cut the peeled celery, canned pineapple and tomatoes into cubes.
In a separate bowl, mix the mustard, yogurt and spices. Pour this sauce over the diced vegetables. Mix well and spread it evenly on the lettuce and sliced apples.