Lasagne al forno Recipe | Samsung Food App

Ingredients

• 2 tbsp olive oil
• 900g/2lb beef mince
• 2 onions, roughly chopped
• 4 sticks celery, diced (optional)
• 2 garlic cloves, crushed
• 2 level tbsp plain flour
• 150ml/¼ pint beef stock
• 1 tbsp redcurrant jelly (optional) or 1 tsp caster sugar
• 3 tbsp tomato purée
• 1 tbsp chopped thyme
• 2 x 400g cans chopped tomatoes
• 50g/2oz butter
• 50g/2oz plain flour
• 750ml/1¼ pints hot milk
• 2 tsp Dijon mustard
• 50g/2oz Parmesan, finely grated
• salt
• freshly ground black pepper
• 12 lasagne sheets
• 75g/3oz mature cheddar, grated