Kale, mushroom and goat's cheese lasagne | Tesco Real Food

Ingredients

• 3 tbsp olive oil
• 4 echalion shallots, quartered
• 1 tsp soft brown sugar
• 1 garlic clove, crushed
• 250g chestnut mushrooms, sliced
• 100g tenderleaf kale, sliced
• 45g unsalted butter
• 45g plain flour
• ½ tsp mustard powder
• 600ml whole milk
• ½ tsp nutmeg, freshly grated
• 252g pack fresh lasagne sheets
• 70g goat's cheese, crumbled
• 20g Parmesan cheese, grated
• 1 tbsp fresh thyme, picked