Rings of apricots top this tart for a flowerlike effect.
Make the crust: Pulse flour andalmonds in a food processor untilground. Beat butter and confectioners'sugar with a mixer onmedium speed until pale and fluffy,about 5 minutes. Add flour mixture,yolk, and a pinch of salt;mix until dough comes together.Press into bottom and up sides ofa 9-inch tart pan with a removablebottom; refrigerate for 1 hour.
Preheat oven to 325 degrees. Make thefilling: Heat butter in a saucepanover medium-high heat untilbrowned, 3 to 4 minutes. Let coolfor 10 minutes.
Meanwhile, beat yolks, corn syrup,and brown sugar with a mixeron medium speed until pale andfluffy, about 2 minutes. Mix inbrowned butter (with bits), amaretto,cream, and vanilla. (Mixtureshould be thick but pourable.)
Transfer tart shell onto a bakingsheet. Pour in filling to reachhalfway up side. Bake until crustis golden brown and crisp andcenter is set but slightly soft, 40to 45 minutes. Let cool.
Make the topping: Working in a circle and pressing into filling, top tart with apricots. Garnish with confectioners' sugar. Whisk cream with a mixer on medium speed until soft peaks form. Serve tart topped with whipped cream.