Easy Shepherd's Pie Recipe

Ingredients:
1 kg of Lamb or Mutton
8 large Potatoes
1/2 tsp of Black pepper
1/4 tsp of red chili pepper
1 and 1/2 cup of Lamb stock
4 medium-sized Carrots
2 sticks of Celery
1 large Onion
5 fresh sprigs of thyme
1 tbsp of Worcestershire sauce.
3 minced Garlic Cloves
1 cup of Frozen Peas
Cornflour
3 tbsp of Olive
1/2 tsp of dried Rosemary
4 tbsp of Butter
1/2 cup of Milk.