Prep the veggies and set aside.
Heat oil in a wok or a Dutch oven, add the red chilies, mustard seeds. When it splutters, add the split urad dhal, cumin, followed by curry leaf and asafetida. Add the serrano peppers, ginger, sliced onion and peppers. Sauté for 3-4 minutes till onions are translucent and peppers cooked.
Add the sliced tomatoes and cook for 2-3 minutes.
Add the shredded carrots and cabbage, Stir-fry for 2 minutes.
Add the salt, turmeric, and cayenne. Stir-fry for a minute.
Add the bagel chunks and stir-fry to toss well and cook for 2-3 minutes.
Switch off the flame and garnish with cilantro.