1 CRUST
Preheat oven to 325°. Finely grind graham crackers, sugar, salt, and nutmeg in a food processor.Transfer crumb mixture to a medium bowl. Add butter and stir to blend. Use bottom and sides of a measuring cup to pack crumbs onto bottom and up sides of 9" glass or metal pie pan.Bake until golden brown, about 15 minutes. Let cool.

2 FILLING
Mix yolks and 6 Tbsp. sugar in the bowl of a stand mixers fitted with a whisk attachment. Beat at high speed until ribbons form, stopping once to scrape down sides of bowl, about 2 minutes.

3 Combine milk and remaining 6 Tbsp. sugar in a large saucepan; scrape in seeds from vanilla bean and add bean. Bring to a boil, stirring to dissolve sugar. Remove bean. With mixer running, gradually add hot milk mixture to yolk mixture. Scrape mixture back into pan. Clean bowl. Whisking constantly, bring to a boil over medium heat. Remove pan from heat; whisk vigorously for 1 minute. Return custard to mixing bowl, beat on high speed until cool, about 4 minutes. Mix in butter on Tbsp. at a time. Add peanut butter, powdered sugar, and salt; beat to blend. Scrape filling into cooled crust; smooth top. Chill until set, 2-3 hours.

4 TOPPING
Stir chocolate and butter in a medium bowl set over a saucepand of simmering water until melted and smooth.

5 Drizzle some of the chocolate glaze over the peanut butter filling, making a circle in the middle of the pie and leaving a 1"-2" plain border. Pile pieces of honeycomb and salted penauts on top, then drizzle remaining chocolate glaze over.