Preheat oven to 350 degrees. Combine 1 tablespoon anise and ½ pound of Brie with cream sauce. Mix ricotta, eggs, remaining anise, and remaining brie. Season to taste. Combine pears with ricotta mixture.

Ladle 4 ounces of cream sauce into the bottom of a 9 x 11-inch baking pan. Layer the pan with 4 uncooked lasagna sheets. Top the lasagna with half of the pear and ricotta mixture. Top the pear and ricotta mixture with a third of the sliced almonds. Ladle 8 ounces of cream sauce on top of almonds.

Create a second layer of lasagna, alternating lasagna noodles, pear mixture, almonds, and cream sauce. Layer top of lasagna with final 4 sheets of pasta. Cover with remaining cream sauce (make sure all pasta sheets are covered with sauce). Cover baking dish with lid or aluminum foil and bake for 30 minutes.

Top lasagna with remaining almonds and bake an additional 15 minutes. Let lasagna cool for 5 minutes before slicing and serving.