Cut the mushroom into thin slices . If you want a big bite, you can cut them in quarter instead.
In a pan, heat some oil and add cumin seeds, garlic and chopped chillies.
Once the seeds start to sizzle, add pearl onions, grated onion and cook in low heat until the onions are slight brown in color.
Add the mushrooms and fry for another couple of minutes.
Next, add spinach, cumin powder, coriander powder and chilly powder.
Add ½ cup water and heavy cream. Then, let it simmer for about 10 minutes.
Check for salt and spice. If you want more heat, add a little bit more chilly powder.
Serve it hot with your choice of bread.