Preheat oven to 325 degrees Fahrenheit.
Line pan with parchment for easy lift.
Mix crumbs, sugar, and butter for crust.
Press crust into the pan evenly.
Bake crust for 10 minutes, then cool.
Beat cream cheese until smooth and fluffy.
Add sugar and mix until combined well.
Add eggs one at a time.
Add vanilla extract and mix until smooth.
Pour cheesecake over the cooled crust.
Bake for 30 minutes until set.
For topping, whisk sugar, syrup, and butter.
Add eggs, vanilla, and chopped pecans.
Pour pecan mixture over cheesecake layer.
Bake for 35 minutes until set and golden.
Cool bars to room temperature fully.
Chill in fridge for at least 4 hours.
Lift bars and slice with a sharp knife.
Serve chilled and enjoy the rich taste.