Fry the sausage

• Fry the spicy sausage in a pan until fully cooked.
• Set the sausage aside.

Start the vodka sauce

• In the same pan, saute the garlic and shallot.
• Add the basil, tomato paste and vodka.
• Cook until the alcohol has cooked off.

Simmer the sauce

• Add the tomatoes, salt and red pepper flakes.
• Bring to a simmer and cook until the water has cooked off.

Finish the sauce

• Stir in the heavy cream, Parmigiano Reggiano and the cooked sausage.

Make the basil ricotta

• Mix the ricotta, olive oil and basil in a bowl.

Build the lasagna

• Start with a layer of sauce, then mozzarella and the cooked pasta.
• Add basil ricotta and more cheese.
• Repeat the layers until the dish is full.

Bake

• Bake at 175 °C for about 30 minutes.