Welsh goat's cheese & leek tart - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 2 large leeks, sliced
• 2 rashers back bacon, chopped
• 1 x 210g sheet ready-rolled puff pastry
• 1 tbsp crème fraîche
• 1 tbsp Dijon or wholegrain mustard
• 2 slices firm Welsh goat's cheese, from a 100g log (we used Pant-Ysgawn Farm organic goat’s cheese)