Ingredients
For the Meat Filling
- 2 tablespoons olive oil
- 1 medium onion, finely chopped
- 2 cloves garlic, minced
- 2 carrots, diced
- 2 celery stalks, diced
- 500g (1 lb) ground lamb (or beef, for Cottage Pie)
- 2 tablespoons tomato paste
- 1 tablespoon Worcestershire sauce
- 1 cup beef or chicken stock
- 1 teaspoon dried thyme
- 1 teaspoon dried rosemary
- 1/2 cup frozen peas
- Salt and pepper, to taste