Heat a large skillet over medium-high. Add half the oil.
Brown the sliced sausage until caramelized, 3–4 minutes. Transfer to a plate.
Add remaining oil. Sauté onion and bell pepper until slightly softened, about 2 minutes.
Stir in potatoes. Sprinkle paprika, Italian seasoning, salt, pepper, and flakes. Toss to coat.
Pour in broth. Cover and steam, stirring once, 6–8 minutes until potatoes are nearly tender.
Uncover. Add garlic and cook 1 minute until fragrant.
Return sausage to the skillet. Cook, stirring, 3–4 minutes to heat through and crisp edges.
Finish with parsley. Taste and adjust seasoning. Serve hot.