Cottage Pie

Cottage Pie

Cottage PieIngredients1 tbs olive oil1 brown onion, finely chopped500g lean beef mince400g button mushrooms, diced2 tbs tomato paste400g can diced tomatoes1 cup beef stock3-4 tsp Worcestershire sauceMashed potato600g potatoes, peeled, cut into 4cm pieces (see tip)60g...