Salted Caramel Shortbread Bar Recipe

Salted Caramel Chocolate Shortbread Bars

For the shortbread:
1 cup all purpose flour
1 tsp baking powder
a pinch of salt
1/2 cup unsalted butter, room temperature
1/4 cup sugar
For the caramel:
1/2 cup unsalted butter, cut into pieces
1/2 cup sugar
2 tbsp light corn syrup
1 (14 oz) can sweetened condensed milk
For the chocolate:
4 oz semisweet chocolate, finely chopped
1/2 tsp light corn syrup