Potato Mayonnaise Sandwich

Ingredients:
Potatoes - 2 or 3 (boiled and half mashed)
Onion - 1
Tomato - 1
Green chili (optional)
Coriander leaves
Eggless Mayonnaise
Grated cheese
Salt
Chili powder / black pepper powder
Chat masala (optional)

Steps:

• Chop the onion and tomato finely
• Add it to the half mashed potato along with chopped coriander leaves, salt and green chilies (finely chopped) - mix well
• Take 2 slices of bread, spread eggless mayonnaise to one side of each slice
• Add the mash mix to one slice of bread over the mayonnaise 
• Temper chili powder / black pepper powder over it
• Also temper chat masala if using
• Grate cheese over it, top the mayonnaise spread layer of other slice over it - grill it in sandwich maker
• Cut into four pieces and serve hot with tomato ketchup or Mint chutney

Note: If you are not okay with boiled potato you can even prepare sabji out of it like in masala dosa and then add it to the bread slice.