01 -
Toast 50g pine nuts in a dry hot pan until lightly golden. Add to a blender with 40g grated Parmesan, 1 crushed garlic clove, 100g fresh basil, 150ml olive oil, and the zest of 1 lemon. Blend into a rough paste and adjust with salt, pepper, and lemon juice to taste.
02 -
In a pan, melt 50g butter and stir in 50g flour to create a roux. Cook for 1-2 minutes. Add 750ml warm milk gradually, whisking continuously until thickened. Add 1 bay leaf and season with nutmeg, white wine vinegar, salt, and pepper. Discard the bay leaf before use.
03 -
Set the oven to 180°C (gas mark 4).
04 -
In an ovenproof dish, layer lasagne sheets with pesto and bechamel sauce, seasoning lightly with salt and pepper between layers. Finish with a final layer of bechamel.
05 -
Sprinkle the top with 20g grated Parmesan and 20g pine nuts. Bake in the preheated oven for 30 minutes until golden. Serve warm.