In a bowl, place the beef chuck. Add the soy sauce and lemon juice and a little bit of fresh ground black pepper.
Cover with saran wrap or foil and let it marinate for a minimum of an hour.
While it marinates, heat two tablespoons of oil.
Add the diced potatoes and carrots and sauté for about 5 minutes. Make sure they don’t burn or stick to the bottom of the pan. Remove the potatoes and carrots and set aside.
In the same pan, add some more oil.
Add the chopped onions and garlic and sauté for a few minutes, till they start to change color and turn fragrant.
Then add the chopped tomatoes and sauté till the tomato softens.
Add the bay leaves and continue sautéing.
Now add the marinated beef to this and mix well together.
Add a tablespoon of patis and mix again.
Cover and cook for about 15 minutes in medium-low heat.
Add the 1 cup of tomato sauce and 3 tablespoons of the tomato paste and mix well, till everything is well combined.
Add 2 cups of beef broth and stir well.
Cover it again and let it all simmer together for about 45 minutes.
Add the potatoes and carrots to the simmering stew. Add more broth if needed. Stir. Cover and cook for about 10 minutes.
Add the bell peppers and let it simmer with the rest of the stew.
Add salt and pepper.
Take off heat and serve warm.