Prepare peach (180 g) and cottage cheese (135 g) for one serving. Halve and pit peaches, roast cut side up for 12 minutes at 190°C, then fill with chilled cottage cheese.
Prepare peach (120 g) and walnuts (15 g). Add them during the final cooking stage or as a fresh garnish, as appropriate to their texture.
Taste and season to preference. Serve at the temperature appropriate for the dish; refrigerate leftovers promptly.