Apple-Pomegranate Cobbler

INGREDIENTS

2 cups

pomegranate juice 

Granny Smith apples (3 pounds)—peeled, halved, cored and sliced  1/2 inch thick 

1 cup

sugar, plus more for sprinkling 

2 1/4 cups

all-purpose flour 

Kosher salt 

2 tsp

baking powder 

1 stick

cold unsalted butter, cut into small pieces 

1 cup

cold heavy cream, plus more for brushing 

Pomegranate seeds and vanilla ice cream, for serving 