Start by warming olive oil in a large skillet over medium heat.

Add the Italian sausage to the skillet, breaking it apart with a wooden spoon. Cook until nicely browned, about 5-7 minutes. Drain any excess fat if needed.

Toss in the diced onion, bell pepper, and minced garlic. Sauté until they become tender and fragrant, approximately 3-4 minutes.

Bring a pot of salted water to a boil. Cook the pasta according to package instructions until al dente, then drain and set aside.

In the skillet, combine the BBQ sauce and ranch dressing with the sausage mixture, stirring well to blend all those delicious flavors together.

Gently fold the cooked pasta into the skillet, mixing until the pasta is thoroughly coated in that creamy sauce.

Sprinkle the shredded cheddar cheese over the pasta, stirring until it melts into a rich, creamy texture.

Season with salt and pepper to taste. Serve warm, and consider garnishing with freshly chopped parsley for a hint of freshness.