1: Preheat your oven to 375°F (190°C).
2: Chop the shallots, garlic, onion, and tomato.
3: In a mixing bowl, combine chopped shallots, garlic, and butter until well mixed.
4: Add red chili flakes to the mixture for flavor.
5: Spread the garlic butter mixture on the bread loaf.
6: Layer mozzarella, cheddar, and parmesan cheese on top.
7: Cook ground beef with chopped onion until browned.
8: Assemble the burger with cooked beef, fresh tomato, and the cheesy bread.
9: Bake in the oven for about 15 minutes until cheese is melted and bubbly.
