In a large skillet or deep fryer, heat 1/4 cup of vegetable oil over medium-high heat.
Fry the potato strips until golden brown and crispy. Remove and drain on paper towels. Set aside.
In a large skillet or wok, heat 2 tablespoons of vegetable oil over medium-high heat.
Add the beef strips and cook until browned on all sides. Remove and set aside.
In the same skillet, add the sliced sausages and cook until browned. Remove and set aside with the beef.
In the same skillet, add the sliced onion and minced garlic. Sauté until the onion is soft and translucent.
Add the chopped tomatoes, sliced green bell peppers, and red bell peppers. Cook for about 5 minutes until the vegetables are tender.
Stir in the ground cumin, ground black pepper, paprika, ground aji amarillo, and salt. Mix well to coat the vegetables with the spices.
Return the cooked beef and sausages to the skillet.
Pour in the beef broth and beer (if using). Add the sliced jalapeño peppers for extra heat if desired.
Stir to combine and bring the mixture to a simmer. Let it cook for about 10 minutes until the flavors meld together and the sauce thickens slightly.
Arrange the fried potatoes on a serving platter.
Spoon the beef and sausage mixture over the top.
Garnish with freshly chopped parsley.
Enjoy your meal!