Ingredients :
1 1/2 cups crushed gingersnap cookies
1/2 cup finely chopped pecans
1/3 cup butter, melted
2 (8 ounce) packages cream cheese, softened
3/4 cup white sugar, divided
1 teaspoon vanilla extract
3 eggs
1 cup canned pumpkin
3/4 teaspoon ground cinnamon