01 -
Heat olive oil in a large skillet over medium heat. Add Italian sausage, breaking it up with a spoon, and cook until browned, approximately 5 to 7 minutes. Drain excess grease if necessary.
02 -
Prepare rotini pasta according to package directions until al dente. Drain and set aside.
03 -
To the browned sausage, add garlic powder, heavy cream, buffalo sauce, and ranch dressing. Stir and bring to a gentle simmer, cooking for 2 to 3 minutes.
04 -
Add cooked rotini to the skillet, stirring to coat the pasta thoroughly. Incorporate shredded cheddar and mozzarella cheeses, stirring until fully melted and creamy.
05 -
Adjust seasoning with salt and black pepper to taste. Serve warm, garnished with chopped green onions or parsley if desired.