Beef with onion

200 g streaky bacon or 200 g pancetta , diced 2 tablespoons olive oil 2 teaspoons butter 4 medium onions , sliced 2 garlic cloves , crushed 2 kg beef , sinew[...]

1 kilo Chicken thighs 1 lb. pork liver , sliced into 1/2 in. 2 tbsp. Worcestershire sauce 2 tbsp. soy sauce 1/4 cup oil 6 potatoes , peeled and quartered 1[...]