This is a very easy and tasty side dish recipe . You can try this when you get tender ghosale / ridge gourd . 
Ingredients :-

1. Tender ridge gourd / ghosale – 1 small  
2. Green chillies – 2-3 
3. Onion – 1 
4. Butter milk – 1/4 cup 
5. Hing – 1/4 tsp 
6. Salt to taste 
7. Mustard seeds – 1 tsp  , some curry leaves & oil for seasoning. 

• Chop the ghosale into small pieces, peeling its hard skin. Chop the green chillies & the onion too.
• Cook the ghosale with  little water and switch off the gas .
• Add  salt & green chillies,  mix well .
• Now add  the chopped onion, mix well so that they are blended well.
• Do the seasoning with the mustard seeds,  curry leaves and hing 
• Add  this  to the ghosale .
• Now add the butter milk &  mix thoroughly! 

Your tasty side dish is ready to  serve with rice !