Brandy Apple Bars

INGREDIENTS

12 tbsp

(6 ounces/1-1/2 sticks) unsalted butter, softened

6 tbsp

granulated sugar

1 1/2 cups

(7-1/2 ounces) all-purpose flour

1/4 tsp

fine sea salt

3 tbsp

unsalted butter

1/4 cup

packed light brown sugar

Granny Smith apples (about 3 pounds)—peeled, cored and thinly sliced

1 1/2 tsp

cinnamon

1/8 tsp

freshly grated nutmeg

1/2 cup

brandy or calvados

1/2 cup

(about 2 ounces) walnuts, toasted and chopped

1 1/2 cups

(4-1/2 ounces) old fashion rolled oats

1 cup

unbleached all-purpose flour

3/4 cup

packed light brown sugar

3/4 tsp

ground cinnamon

1/4 tsp

baking soda

1/4 tsp

fine sea salt

10 tbsp

unsalted butter, cut into 1/2-inch cubes and chilled