Preheat the oven to 200°C.
Place sage on the monkfish and wrap with Parma ham slices.
Sear the fish in an ovenproof pan with oil and lemon juice for a few minutes.
Bake the fish in the oven for 7 to 8 minutes until cooked through.
Mash cooked potatoes with butter, salt, and pepper in a large bowl.
Roast carrots on a baking sheet with oil and seasoning for 5 to 6 minutes.
Drizzle carrots with honey and lemon juice, then roast for another 4 minutes.
Simmer wine in a saucepan to reduce by half, then stir in cream and tomatoes.
Slice the monkfish and serve with potatoes, carrots, and the prepared sauce.