• Boil the potatoes. Mash them and keep it aside.
• Chop garlic cloves.
• In a pot heat oil.  Add turmeric powder.
  
• Add Julian onion, chopped garlic and salt. Cover it and saute for 5 minutes or until the onions are soften on low heat.
  
• Add mashed potato.  
  
• Saute for 5 minutes on low flame.
  
• Let it cool.
• Grate the cheese cube and keep it aside.

Assembly Of Sandwich:

• Spread butter on both the slices.
  
• Spread chutney on both the slices.
  
• Sprinkle chaat masala on both slices.
  
• Spread grated cheese on one slice.
• Spread the above masala on one slice.
  
• Apply butter on the outer slices of bread and place it on hot tava.
  
• Toast the sandwich.