Lengua in White Mushroom Sauce

1 kilo ox tongue(lengua)
1 can(large) cream of mushroom
1 can(small) sliced button mushrooms
4 cups water
1 piece beef cube
5 cloves garlic, minced
1 onion, chopped
salt and ground pepper to taste
1/4 cup cooking oil
2 tablespoons chopped spring onions
1 cup vinegar
1/4 cup rock salt
water for boiling the ox tongue

Part 1
1. In a bowl, mix vinegar and salt. Rub tongue with mixture to remove the shiny substance then rinse well.
2. In a pressure cooker, arrange ox tongue then pour enough water. Cover and bring to boil for 40 minutes.
3. Let it cool down and drain, scrape the tongue using knife to remove white surface. Slice into thin pieces.

Part 2
1. In a cooking pot, heat oil and saute onion and garlic.
2. Add ox tongue then cook for 2 minutes or until light brown.
3. Pour cream of mushroom and broth, stir. Cover and simmer for 40 minutes or until tongue is tender. Add more water if necessary.
4. Add mushrooms, salt and pepper then continue cooking over low heat until the sauce starts to thicken. Adjust seasoning according to taste.
5. Transfer to serving plate then sprinkle with spring onions. Serve.

Roast Beef with Mushroom Sauce

1/2 kilo beef sirloin, cut into small pieces
200 grams mushrooms, sliced
1 onion, chopped
3 cloves garlic, minced
2 tablespoons oyster sauce
1 can cream of mushroom
1/2 cup hot water
1 tablespoon butter or margarine
3 tablespoons olive oil
salt and pepper to taste
1/4 teaspoon paprika or chili flakes(optional)
cucumber, chopped for garnishing(optional)

Part 1
1. In a bowl, marinate beef with oyster sauce, paprika, salt and pepper for 30 minutes.
2. In a pan, heat olive oil then stir fry beef for 5 minutes or until brown.
3. Remove from the pan and set aside.

Part 2
1. In a pan, melt butter and saute garlic and onion.
2. Add mushrooms and saute for 3 minutes.
3. Pour water and cream of mushroom then cover and simmer until the sauce is creamy. Stir constantly.
4. Put the beef back into the pan then adjust seasoning according to taste.
5. Simmer for a while and turn off the heat.
6. Transfer to hot sizzling pate then garnish with cucumber. Serve with steamed rice.