Prepare the Rice Layer:
In a small bowl, mix together the rice vinegar, sugar, and salt. Pour over the warm cooked rice and stir until evenly coated.
Assemble the Rice Stack:
Using a food mold or ramekin, layer the rice at the bottom, pressing it down firmly. Next, add a layer of cooked Korean BBQ beef, followed by the cucumber slices, avocado, shredded carrots, and green onions. Carefully remove the mold.
Serve:
Garnish with nori strips, extra sesame seeds, sliced green onions, and a drizzle of spicy mayo if desired.
This recipe is ready in just 30 minutes and will surely impress your family and friends! Enjoy!