INGREDIENTS
12 oz
whole-wheat pastry flour (about 3 1/3 cups)
4 1/4 oz
unbleached all-purpose flour (1 cup)
1 1/4 tsp
kosher salt, divided
1/2 cup
cold unsalted butter, cut into small pieces
1/4 cup
olive oil
1 tbsp
fresh lemon juice
2/3 cup
plus 1 to 2 Tbsp. cold water, divided
6 lb
ripe peaches, peeled and sliced (about 12 cups)
1 1/3 cups
packed brown sugar
3 tbsp
cornstarch
1 tbsp
vanilla bean paste or vanilla extract
1 tsp
ground cinnamon
1
large egg yolk, lightly beaten
1 tsp
room-temperature water