Boil the pasta

• Bring a large pot of water to a boil and cook the mafaldine until al dente.
• Reserve some pasta water before draining.

Slice the garlic and chop the onion

• Slice the garlic with a sharp knife.
• Chop the onion.

Make the tomato butter base

• Melt the butter in a pan and cook the onion and garlic until soft.
• Stir in the tomato paste and cook until it deepens in color.

Cook the sausage and shrimp

• Add the sausage to the pan and brown it.
• Add the shrimp and cook until pink and just opaque.

Season the sauce

• Sprinkle in the Cajun seasoning and lemon pepper seasoning.
• Stir well to coat everything.

Thicken with flour and pasta water

• Sprinkle the flour over the onions and garlic and stir.
• Pour in the reserved pasta water and stir to make a creamy sauce.

Toss and serve

• Add the drained pasta to the pan and toss until well coated.
• Finish with grated parmesan and serve.