Step 1:

• Preheat the oven to 200°C (400°F).
• In a large skillet, heat olive oil over medium heat.
• Add the chopped onion and minced garlic, sauté until translucent.
• Add the diced lamb to the skillet and cook until browned.

Step 2:

• Add the sliced mushrooms to the skillet and cook until they are tender.
• Season with cumin, paprika, salt, and pepper. Adjust seasoning to taste.

Step 3:

• Roll out the puff pastry sheet and line a pie dish with it.
• Fill the pie crust with the lamb and mushroom mixture.
• Cover the pie with another sheet of puff pastry or create a lattice pattern with strips of pastry.

Step 4:

• Brush the pastry with beaten egg for a golden finish.
• Bake in the preheated oven for 25-30 minutes or until the pastry is golden brown and crispy.
• Serve hot and enjoy your delicious Lamb and Mushroom Pie.