1. Stir-fry perilla oil, garlic, onion, and green onion in a pan until fragrant.
2. Add zucchini and enoki mushrooms, stir-fry for 1 more minute.
3. Add doenjang (soybean paste) and mix well.
4. Add water and bring to a boil.
5. Add mashed tofu and simmer until reduced (5-7 minutes).
6. Adjust seasoning at the end, add ground perilla seeds and chili (optional), then finish.