Rinse the konjac rice cakes thoroughly and drain the water.
Slice the onion, bell pepper, and cabbage thinly.
Heat olive oil in a pan and stir-fry the onion, bell pepper, and cabbage.
When the vegetables are half cooked, add the konjac rice cakes and continue to stir-fry.
Make the sauce by mixing gochujang, chili powder, soy sauce, minced garlic, stevia, and water together.
Add the sauce to the pan and simmer while mixing well.
When the ingredients are nicely coated with the sauce, sprinkle chopped scallions and sesame seeds to finish.