CRUST:

1 c. graham cracker crumbs
1/2 c. finely chopped pecans
1/2 c. light brown sugar
6 tbsp. melted butter

FILLING:

3 (8 oz.) pkg. cream cheese, softened
1 c. firmly packed dark brown sugar
3 eggs
2 tbsp. flour
2 tsp. vanilla
4 tbsp. praline-flavored liqueur
1 c. chopped praline crunch

PRALINE CRUNCH:

1 c. sugar
2 tbsp. sugar
1 c. chopped pecans

To make Praline Crunch: In heavy skillet, combine sugar and butter, cook over medium heat until sugar is melted and turns golden, about 5 minutes, stirring constantly. Add pecans. Stir until pecans are lightly toasted and well coated with sugar mixture, about 1 minute. Quickly spread mixture over foil. cover and lightly butter cookie sheet. Cool completely, and break into pieces.