The whole-grilled brook trout at otto is a technical marvel, butterflied and charred over open flames until the skin is shatteringly crisp while the flesh remains translucent and moist. This intimate Berlin bistro, helmed by Vadim Otto Ursus, functions as a laboratory of fermentation and regional foraging. The fish is often accompanied by umami-rich garum and foraged herbs that provide a sharp, verdant counterpoint. Technique is further explored in the legendary koji butter, served with dense, fermented rye bread to offer a complex, nutty sweetness that lingers on the palate. Texture is a primary focus, seen in the tender zebu beef paired with mineral-rich spinach, a result of salt-curing and slow-braising. The aroma of wood-fire and koji-fermented grains defines the sensory experience, signaling a Nordic-influenced German cuisine that prioritizes the raw integrity of the ingredient. Every plate reflects a commitment to the Brandenburg wilderness, delivered with disciplined precision and minimal artifice.