bake the potato and remove the skin. dice the skin and add it back with the potatoes if you feel so inclined. Add the mustard and eggs and beat/mash until combined. finely dice the mushrooms and add to the potato mixture. Grate the broccoli, onion, and jalapenos and add them too. Mix in the beef, cheese, curry, and breadcrumbs and mix to combine. Stuff it into a 10 inch loaf pan it should fit perfectly. Bake at 350 for about an hour and a half until the meat is all cooked.