Italian Sausage Pasta Skillet

Name: Italian Sausage Pasta Skillet
Ingredients: Kosher salt; 1 pound bow-tie pasta; 1 cup whole-milk ricotta; 1 lemon, zested and juiced; Freshly ground black pepper; 2 tablespoons olive oil; 1 pound bulk Italian sausage; 1 tablespoon fresh oregano, chopped; 2 teaspoons crushed red pepper; 3 cloves garlic, minced; 1 sweet onion, such as Vidalia, sliced; 1 bunch broccolini, cut into 1-inch pieces; 1/2 cup jarred roasted red bell pepper strips, drained; 1/2 cup yellow cherry tomatoes, halved; 1/2 cup freshly grated Parmesan; 10 to 12 fresh basil leaves; 1 loaf ciabatta or focaccia, warmed, for serving