Prepare the ingredients

• Slice the sausage into diagonal pieces
• Slice the onion, carrot and green bell pepper
• Mince the garlic

Mix the sauce

• Combine the gochujang, soy sauce, sugar and minced garlic in a bowl

Stir-fry the sausage and vegetables

• Heat the cooking oil in a frying pan
• Add the sausage and stir-fry until lightly browned
• Add the onion, carrot and green bell pepper and stir-fry until just tender

Add the sauce

• Pour the sauce over the sausage and vegetables
• Stir-fry until everything is evenly coated and glossy

Finish and serve

• Drizzle with the sesame oil and sprinkle with the sesame seeds
• Serve warm as a side dish with rice