1080p; Rendered with 1024 samples, then de-noised using a custom method:
difference of Gaussians for edge detection, then Despeckle to separate noise from edges, then dilate and use as a factor for mix with an image-informed bilateral blur.
I took direct glossy and excluded it from the de-noising to retain sharp detail.
The sushi uses a simplified glass shader (refraction and glossy), with procedural textured volume for the fish. The rice is a SSS-shaded particle system with transparent shadows, and I added real displacement and a sharp glossy sauce “brushed” on top.
Lit with an HDRI