1½ cups AP flour
1 teaspoon baking powder
½ teaspoon salt
1½ sticks unsalted butter
1 cup light brown muscovado sugar
½ cup dark brown muscovado sugar
2 large eggs
1 ½ teaspoons vanilla extract
1 cup milk chocolate chips
¼ cup plus 2 tablespoons toffee chips
½ cup toasted almonds, coarsely chopped
1. Preheat oven to 350 degrees F. Line a butter 9 x 9 x 2-inch inch baking pan with parchment paper, allowing a 2-inch overhang. Butter the lining too.
2. Whisk together the flour, baking powder and salt in a medium bowl.
3. Melt the butter in a medium saucepan, add both sugars and whisk until combined and sugar has melted, about 5 minutes. Transfer the mixture to a medium bowl and let cool slightly. Whisk in the eggs and vanilla until combined. Add the flour and whisk until just incorporated. Fold in the chocolate chips, toffee chips and almonds and transfer the mixture to the prepared pan.
4. Bake for 24-27 minutes or until the top cracks slightly and is firm to the touch and a skewer inserted into the center comes out with moist pieces clinging to it. Remove to a wire rack and let cool completely. Remove the bars from the pan using the parchment handles, transfer to a cutting board and cut into 2-inch squares.