Prepare all ingredients.
Rinse the salad under running water, drain and spin.
Slice the sausage.
Cut out the stems of the mushrooms,...
...rince them then thinly slice them. toss them in the lemon juice so that they will not darken.
Dice the fourme d'Ambert.
In a small salad bowl, prepare the dressing using the listed ingredients and flavour it using the chopped herbs.
Gather in a salad bowl the mixed salad...
...walnuts, cheese, cherry tomatoes and sliced sausages.
Sprinkle with the herb dressing.
Serve immediately.