Cheesy Leftover Ham and Asparagus Tarts

• 2 sheets puff pastry sheets, frozen and thawed
• 30 grams butter, unsalted
• 1 1/2 teaspoons olive oil plus more to drizzle, or other vegetable oil
• 1 large onions minced
• 150 grams ham sliced, from leftover, or turkey
• 2 teaspoons dijon mustard
• 1 cup mascarpone cheese 250 grams, or cream cheese
• 2 bunches asparagus trimmed and halved
• 1 large eggs lightly beaten
• 3 tablespoons parmesan, parmigiano-reggiano cheese, grated shaved or grated

1. Preheat the oven to 180C (350 F degrees) and line 2 baking sheets with parchment paper or baking mats or coat with cooking spray.
2. Cut each pastry sheet into 4 squares, then lightly score a 1-inch border around the edges of each square with a knife, without cutting all the way through.
3. Arrange the squares on the prepared baking sheets and refrigerate while you prepare the filling.
4. Add butter and oil in a frypan over medium heat, once butter melts, stir in onion and cook for 3 to 4 minutes, stirring, until softened but not coloured.
5. Cool slightly.
6. Finely chop ham in a food processor.
7. Add onion, mustard and mascarpone or cream cheese, then pulse to just mix.
8. Season with salt and pepper.
9. Spread mixture evenly within the border of each pastry square, then top with asparagus pieces, alternating tips and ends.
10. Drizzle with oil and season with salt and pepper if desired.
11. Brush pastry borders with egg, then bake tarts for 20 to 25 minutes until pastry is golden and asparagus is tender and crispy.
12. Sprinkle parmesan on top.
13. Serve warm with any your favorite mixed greens salad if desired.

pastry, butter, olive oil, onions, ham, mustard, mascarpone cheese, bunches, eggs, parmesan

Taken from recipeland.com/recipe/v/cheesy-leftover-ham-asparagus-t-51591 (may not work)