Dice the tofu into cubes.
Rinse the konjac rice cakes under running water.
Julienne the onion and bell pepper.
Heat olive oil in a pan and sauté the onion and bell pepper.
Add the tofu and konjac rice cakes and stir-fry together.
Mix gochujang, chili powder, erythritol, soy sauce, and minced garlic to make the sauce.
Add the sauce to the stir-fried ingredients and mix well while cooking.
Finish by topping with green onion.