Mushroom Shepherd's Pie - Australian Mushroom Growers

Ingredients

• 250 cups mushrooms, finely chopped
• 500 g lamb mince
• 1 tbsp olive oil
• 1 onion, finely diced
• 2 tbsp onion powder
• 1 tbsp garlic powder
• 1 tbsp paprika
• 1 tbsp mustard powder
• ½ tbsp dried thyme
• ½ tsp white pepper
• 2 tbsp tomato paste
• ½ cup water
• 1 cup frozen peas
• ¼ cup parsley, chopped
• Salt and pepper, to taste
• 2 -3 large potatoes, sliced
• 1 large sweet potato, sliced
• 1 -2 tbsp olive oil, additional