Pork roulade with baked cauliflower and baby potatoes

Ingredients

• 1 large pork roulade (about 700 grams)
• 1 carrot
• 1 shallot
• 1 garlic clove
• 1 bay leave
• butter for baking
• 200 ml of water
• pepper and salt to taste
• 600 gram baby potatoes without skin
• 1 medium-sized cauliflower
• 4 tablespoons panko (bread crumbs)
• 2 tablespoons finely grated Parmesan cheese
• half a teaspoon of ground nutmeg
• 2 eggs
• optional: Romano beans or any other green bean.