Humble pie this ain’t. Beatrix’s signature dessert is baked slow and low for three hours and allowed to set overnight so that the caramel custard achieves a dreamy consistency, which lands somewhere between pudding and fudge. Put that in a twice-baked shortbread cookie shell and top it with vanillabean- flecked whipped cream, and it’s no wonder this outsells Beatrix’s equally famous chocolate cake.