Heat butter and saute three coloured bell peppers for 2 minutes. Keep aside. Peel skin of potato and chop into chunks, boil 2 cups water and add the cut pieces to it. Let it boil for 8 minutes until fully cooked.
Discard the water and mash completely. Let this cool down.
In a bowl add shredded paneer, pepper, bread crumbs, ginger-green chili paste, salt, half of sautéed three coloured bell peppers and the cooled mashed potato. Knead to form a soft dough, taste to check for spices.
Repeat the same for the remaining balls or rolls. Keep aside. Cut the balls into two. If you made rolls cut them in thick slices with sharp knife. Dumplings are ready keep aside
Make shahi gravy. Mix all the ingredients and cook for 2 minutes. Add salt and pepper to taste. Grease a baking dish and put the mixture in it. Arrange prepared dumplings in dish. Grated cheese. Sprinkle red chili flakes. Bake in a hot oven at 160 degree c for 5-10 minutes just before serving.
Decorate with glazed cherries, cashews, remaining sautéed coloured bell peppers. Serve hot with nan or parantha.