Sauté the garlic and onion
Put-in the Ox Tongue and cook for a few minutes
Add the tomato sauce, beef cube, and water then simmer for 1 to 1 1/2 hours (30 minutes if using a pressure cooker).Note: Add water as needed.
In a separate pan, heat the cooking oil and fry the potatoes. Set aside
On the same pan were the potatoes were fried, remove excess oil and sauté the mushroom.
Add some oyster sauce then set aside
Once the Ox tongue is tender, add salt, pepper, and green olives and simmer for 5 minutes
Serve the Ox tongue with the fried potatoes and sautéed mushrooms in a single serving plate. Share and Enjoy!