1/2 cup pecans (2 ounces)
1 1/2 cups all-purpose flour, divided
1/4 cup granulated sugar
1/2 teaspoon kosher salt
1/4 teaspoon ground cinnamon
1/4 cup (1/2 stick) unsalted butter, melted
1 tablespoon apple cider vinegar
3/4 cup maple syrup
3 large eggs plus 2 large egg yolks, lightly beaten
1 cup (packed) dark brown sugar
3 tablespoons all-purpose flour
1/4 teaspoon salt
1 cup heavy cream, room temperature
2 tablespoons bourbon
1/4 teaspoon ground cinnamon
6 tablespoons (3/4 stick) unsalted butter
1 cup chilled heavy cream
1 tablespoon plain whole-fat Greek yogurt
1 vanilla bean, split lengthwise, or 2 teaspoons vanilla extract
A 9" deep-dish pie plate