Comforting Shepherd’s Pie with Chunky Lamb

Ingredients

• 600g lean lamb cutlets (deboned and trimmed, cut into small chunks)
• 3 tbsps vegetable or olive oil
• 1 large onion (finely chopped)
• 2 tbsps fresh thyme leaves
• 1 tbsp vegetable spice (or all-purpose seasoning)
• 3 tbsps Worcestershire sauce
• 2 tbsp fresh rosemary (finely chopped)
• 400g can tomatoes (crushed or chopped)
• 2 cups beef stock
• 1 cup frozen or fresh peas
• 1 cup carrots (chopped)
• 1 cup frozen mixed vegetables
• ½ tsp salt (adjust to taste)
• ½ tsp ground black pepper (adjust to taste)
• 2 tbsps all-purpose flour
• 6-8 medium potatoes, peeled and chopped
• ½ tsp salt
• 1 tbsp butter
• 1 cup strong cheddar cheese (shredded and devided)
• ¼ cup milk