1Spread nuts in a baking pan and bake in a preheated 325 degree oven for 8 minutes or until lightly toasted.
2Let cool and finely chop.
3With an electric mixer, beat cheese and sugar until smooth.
4Mix in eggs, vanilla, amaretto and sour cream.
5Reserve 2 tablespoons of nuts, and stir in remaining nuts.
6Pour batter into a greased 9-inch springform pan.
7Sprinkle reserved nuts over the top.
8Bake in the middle of a preheated 325 degree oven for 25 minutes or until just barely set.
9Turn off the oven, leave the door ajar, and let cool in the oven for 1 hour longer.
11To serve, remove pan sides and cut into wedges.