Brown the sausage:Heat 2 tablespoons of olive oil in a large deep skillet over medium heat. Add the sausage links and cook until browned on all sides and mostly cooked through, about 8–10 minutes. Remove from the pan and set aside to cool slightly.
Slice the sausage:Once cool enough to handle, slice the sausage into 1-inch pieces and set aside.
Cook the vegetables:In the same pan (don’t wipe it out — those brown bits add flavor!), add the remaining 2 tablespoons of olive oil. Add the onions, bell peppers, and potatoes. Season with salt and pepper, and cook over medium heat until the potatoes start to soften and everything begins to caramelize, about 10–12 minutes. Add the garlic and cook for another 30 seconds.
Deglaze the pan:Pour in the chicken broth or white wine, scraping up any browned bits from the bottom. Let it simmer for 1–2 minutes.
Combine everything:Return the sliced sausage to the skillet. Sprinkle in the oregano, basil, and crushed red pepper flakes. Stir well to combine, cover partially, and cook for another 5-5 minutes, until the potatoes are tender, the sausage is fully cooked and everything is infused with flavor.
Finish and serve:Taste and adjust seasoning with more salt and pepper if needed. Garnish with fresh Italian chopped parsley and serve hot. ENJOY!!!