Cut the eggplant and tofu into bite-sized pieces.
Chop the onion, green onion, and garlic.
Heat cooking oil in a pan and sauté garlic, onion, and green onion.
Add the eggplant and tofu, and stir-fry together.
Season with soy sauce, allulose, and pepper.
Serve the stir-fried mixture over rice to finish.