Take a pan heat add oil add onion paste ginger garlic paste and sauteed.
Add mashed potato and mix well add salt herbs black pepper powder.
Preheat oven at 160 degree Celsius for 10 minutes. All slices should be brush with butter. Fill bread slice with cooked potato. Cover with mozzarella cheese and tomato sauce.
Bake for five minutes. Serve with Oregon and red chilli flakes.