Bring a large pot of water to boiling over high heat on the stove. Add the fusilli pasta and boil for 10-15 minutes, stirring occasionally, until it is tender. Remove from heat and drain.
Heatn the chorizo sausage in a large skillet over medium heat and cook for 5 minutes, stirring frequently.
Add in the onion and continue cooking, stirring occasionally, for 3-4 minutes.
Add in the sun dried tomatoes and the oil they are packed in and cook for 1 minute.
Place the butter and garlic cloves in the pan with the chorizo and cook for 2 minutes or until the butter has melted. Add in the sage and cook for 1-2 minutes, stirring frequently.
Remove from heat and stir in the lemon juice. Taste then season with salt and pepper as needed.
Add the cooked pasta to the pan with the chorizo and sauce and toss to coat.
Divide between 2 bowls and top with fresh Parmesan Cheese.