In a nonstick pan add oil, fennel seeds, green chili, curry leaves and fry for 30 sec. Add onion and fry till translucent. Add garlic paste and fry till the raw smell leaves. Add tomato and fry till mushy.
Add mushroom, coriander powder, turmeric powder, cumin powder and pepper powder and mix well. Add salt and fry till the mushroom is cooked in medium flame. No need to add water. Add coriander leaves at the end.
Notes
Serve as a side for Chapathi with Onion Raitha.
Recipe by Sashi Recipes at https://www.sashirecipes.com/mushroom-pepper-fry-milagu-kalan-varuval.html