1. In a frying pan, heat oil and sauté onion until golden. Add the rest of the vegetables and sauté until soft.
2. Cut circles in the malawach with the top of a glass.
3. Place filling in the center of each circle. Pinch the three corners tightly.
4. Bake at 350 degrees Fahrenheit for 25 minutes, until brown.
5. Drizzle with sweet chili sauce.