Wash the mushroom very well in water then drain and wipe well.
If there are few dark spots over the mushrooms then try to peel that portion to clean it.
Trim the base slightly to remove the hard dry lower part of the stalk.
Wash the bell pepper and chop into cubes, you can use green or red / yellow bell peppers as per your preference.
Take a big wide bowl and add all the marinade ingredients except the gram flour and mix well
Now add the mushrooms and capsicum slices and mix again to coat them well
Cover with a lid and let them marinate for 1/2 hour to one hour.
Preheat the oven for 250 degree and line the tray with aluminum foil or parchment paper.
Now add the gram flour and mix the mushrooms to coat well. if the marinate become too watery then add some more gram flour so the marnate coat the mushrooms well.
Arrange the mushroom's and bell peppers cubes in the skewers and arrange in the tray and bake for around 25-30 minutes or till it get a nice golden colour.
Do turn the skewers after 15 minutes to get nice color from both the sides.
You can sprinkle or brush some oil or butter on the mushroom while the are roasting.
You can also grill them perfectly in a air fryer, bbq , tandoor , Nonstick pan or over gas stove flame
When they become golden and get cooked perfectly remove from the oven or heat and sprinkle some lemon juice, chaat masala and chopped fresh coriander
Serve hot with chutney or any dip of your choice.