Chicken Lasagne

WHAT YOU'LL NEED

• 2 tbsp Flora Buttery
• 4 boneless skinless chicken thigh
• 1 garlic clove, crushed
• zest of a 0.5 lemon
• 2 tbsp chopped sage
• 500 ml semi-skimmed milk
• 1 Knorr Chicken Stock Pot
• 2 tbsp dried porcini mushrooms, chopped
• 200 grams button mushrooms, halved
• 1 leek chopped
• 1 tbsp cornflour mixed with a little water
• 6 lasagne sheets (no need to pre-cook)
• 80 grams Parmesan cheese,grated