INGREDIENTS
1 1/2 cups
(3 sticks, 337g) cold unsalted butter
3 cups
all-purpose flour
1 1/2 tsp
salt
1 tbsp
sugar
3/4 cup
full fat sour cream
2 lb
mixed apples (I like Granny Smith, Braeburn, and Honey crisp)
1/2 cup
sugar
1 tbsp
lemon juice
2 tbsp
cornstarch
1 1/2 tsp
cinnamon
salt
1
large egg
1 tbsp
milk
Sanding sugar for sprinkling