Recipe: Asparagus and leek tart | Style at Home

Ingredients

• 5 sheets phyllo pastry
• 2 tbsp olive oil
• 1/2 cup freshly grated Parmesan cheese
• 2 small leeks, white and pale green parts only
• 1/2 lb asparagus
• 1 tbsp unsalted butter
• 8 oz fresh ricotta cheese
• 1 cup grated Parmesan cheese
• 1/4 cup creme fraiche
• 2 tbsp chopped lemon thyme
• 1 free-range organic egg