Microwave Shepherds Pie | Good Food

Ingredients

• 1 tablespoon olive oil
• 2 carrots grated
• 1 onion, grated
• 4-5 chestnut mushrooms, sliced
• 500g lamb mince
• handful dried rosemary
• dash of worcester sauce
• 1/4 tube tomato puree
• Dash red wine
• 4-6 large flowery potatoes
• Chedder cheese
• Parmesan cheese (optional)
• Knob of butter
• 2 egg whites