Huge Family Beef and Vegetable Pie

Ingredients (Serves 8-10, can stretch to 12-14):

- 

1kg cheaper beef cuts or minced beef 4 medium potatoes, diced 3 carrots, diced 1 cup peas 2 onions, chopped 3 cloves garlic, minced 1 cup canned tomatoes or tomato paste 2 tsp mixed herbs Salt and pepper to taste 1 large sheet shortcrust or puff pastry