Preheat the oven to 220 degrees.
Bake the ciabatta as described on the packaging.
Cut the pepper, white onion, little gem and ciabatta as described in the ingredients list.
Roast the peppers in the oven with olive oil, salt and pepper for 15 minutes
Fry the onions in a pan with olive oil over medium-high heat for 1.5 minutes on each side.
Toast the bread in the same pan with olive oil, salt and pepper until golden brown.
Sprinkle the ribeye steak with salt and pepper.
Fry the ribeye in a pan over high heat, on one side with olive oil. Turn the steak over and add the butter, a clove of garlic and rosemary. Brown the ribeye in the pan with the butter.
Fry the ribeye for about 2/3 minutes, depending on the thickness of the steak.
Let the ribeye rest for 3 minutes on a cutting board with the cheddar on top
If the cheddar has not yet melted, use a blow torch to melt the cheese a little longer