Peel the bottle gourd and grate it. Try to squeeze out as much as water you can from the vegetable and keep it in a large mixing bowl.
Do not discard the squeezed out water. save it as we use this water to make muthiya dough OR use to make your chapati dough.
In the bowl of grated bottle gourd add all the spices, yogurt, oil , soda and mix together.( except the tempering ingredients)
Now mix wheat flour, gram flour and semolina in this mixture and mix everything to make a medium soft dough.
You can add the squeezed water from bottle gourd only if needed.
Grease a steamer plate with some oil and also grease your palms with oil.
Make small rolls with your palms or make long cylinder shaped rolls and keep in the steamer plate , keep some distance between the rolls.
Add water in the steamer and when water start boiling place the steamer plate in it and Steam for about 20-25 minutes and then check by inserting a toothpick, if it comes out clean then they are done else steam further for 1o minutes.
Remove the muthiya rolls from the steamer and let them cool down slightly and then slice into around 1/2 inch thick slices.
Heat 2 tbsp oil in a pan and then add mustard seeds, sesame seeds, asafoetida, curry leaves and the sliced green chilies and then add 2 tbsp water in it and mix.
Add the sliced muthiya pieces and mix gently , now cover with a lid and simmer for 2 minutes.now open the lid and stir fry for a minute. Switch off the heat and add chopped fresh coriander, lemon juice and grated coconut and mix.
Serve with tea, tamarind chutney ,green chutney or coconut chutney and enjoy !