Add Mayonnaise, chilli powder, ginger pwder, garlic powder, sugar in a bowl

Next add red chilli flakes, oregano and black salt. Mix everything well until well combined

Trim edges of bread slices and apply butter on only 1 side of each slices

Invert buttered side downwards and generously spread mayonnaise on non buttered side of each slice

Now place sliced potatoes on top followed by onions, tomatoes, capsicum in sequence

Mix chat masala and cumin powder in a bowl. Sprinkle this mixture on top of veggies

Next place cabbage on top. Sprinkle grated cheese on top. Again sprinkle chat masala mix on top of cheese

Now place mayo side of bread slice on top with buttered side facing upwards. Gently press it

Grilling the sandwiches is optional, you can serve as is. I have grilled them on grill pan

Serve the sandwiches warm with chips and lemonade/ Soft drink

Note: I have used veggies here, you can use cottage cheese/chicken/roasted veggies etc as filling as desired