Mexican Beef

Place 1 sliced onion & carrot, 1 green & red chopped pepper & 1 diced potato in a microwave bowl & cook 6 minutes. Stir in 25g butter until it melts. Stir in 1tsp dried mixed herbs & dried parsley, half tsp chilli powder & worcestershire sauce, 1 crushed garlic clove, 100g per person topside beef cut into strips & salt/pepper to taste. Cover & cook 4 minutes, stirring halfway through cooking time. Stir in 2tbsp plain flour, 1 400g can chopped tomatoes & quarter pt hot beef stock. Cover & cook 5 minutes, stirring halfway through cooking time. Leave to stand covered for 5 minutes before serving.