Persian Beef with Sweet Potato & Spinach - Spice Fusion Exotic Spice Blends & Dukkah

Ingredients

• 800g-1kg beef pieces
• 1½ tbsp Spice Fusion Persian Advieh
• 2 tbsp crushed garlic
• 1 tbsp grated ginger
• ½ tsp salt
• Cracked black pepper
• 2 tbsp vegetable oil, divided
• 1 tbsp ghee or butter
• 1 onion, finely chopped
• 440g can crushed tomatoes
• 1½-2 cups beef stock
• 300g sweet potato, peeled and cut into chunks
• 200g English spinach, roughly chopped