Finely chop the beef.
Dice zucchini, onion, bell pepper, and spicy chili pepper.
Add olive oil to a pan and stir-fry the beef.
Once the beef is cooked, add the vegetables and continue to stir-fry.
Add rice and mix well while stir-frying.
Season with salt and pepper.
Turn off the heat and drizzle with sesame oil.