Mix 1 spoon of gochujang, 2 spoons of soy sauce, 2 spoons of red pepper flakes, 2 spoons of allulose, and 6 spoons of water over low heat to make the sauce. Drain the oil from the tuna, add all ingredients, and make the seasoning. Prepare lettuce and a fried egg.
Prepare tuna and vegetables.
Mix the seasoning ingredients to make the sauce.
Heat oil in a pan and stir-fry the vegetables.
Add tuna to the stir-fried vegetables and combine with the sauce.
Place seasoned tuna and vegetables on top of rice.
Cook a fried egg and add it on top.
Sprinkle seaweed flakes and sesame seeds to finish.