Preheat Oven: Set oven to 425°F and line baking sheet.
Arrange Crackers: Lay saltines in single layer.
Make Caramel: Melt butter, sugar, syrup, and salt. Boil until thickened.
Mix Add-Ins: Stir in baking soda and extract.
Bake Base: Pour caramel and bake until bubbling.
Add Chocolate: Sprinkle chips, spread once melted.
Top with Pecans: Press pecans gently.
Chill: Refrigerate until firm.
Break Apart: Crack into pieces.
