2 cups graham cracker crumbs
1/2 cup white sugar
1 teaspoon ground cinnamon
1/2 cup butter, melted
3 (8 ounce) packages cream cheese, softened
1 1/4 cups white sugar
3 eggs
1/2 teaspoon vanilla extract
1/2 cup pecan liqueur
1 cup sour cream
1/4 cup confectioners' sugar
1 teaspoon pecan liqueur
1 cup ground pecans
1/2 cup finely ground graham cracker crumbs
1 1/2 tablespoons white sugar
1/2 teaspoon ground cinnamon
3/4 cup pecan halves