Heat 1 tablespoon of vegetable oil in a large skillet over medium heat.
Add the diced potatoes to the skillet and cook, stirring occasionally, until they are golden brown and tender, about 10-12 minutes.
Remove the potatoes from the skillet and set aside.
Add the remaining 1 tablespoon of vegetable oil to the same skillet.
Add the diced onion and green bell pepper and cook until softened, about 4-5 minutes.
Add the minced garlic and cook for 1 minute until fragrant.
Add the ground beef to the skillet, breaking it apart with a spatula, and cook until browned and cooked through, about 6-8 minutes.
Return the cooked potatoes to the skillet with the beef and vegetables.
Season the mixture with smoked paprika, black pepper, kosher salt, and crushed red pepper flakes.
Stir well to combine and cook for an additional 2-3 minutes to allow the flavors to meld.
Remove from heat and sprinkle with chopped fresh parsley before serving.