01 -
Preheat oven to 350°F (175°C). Line a 9×9-inch baking pan with parchment paper.
02 -
Combine flour, powdered sugar, and salt in a food processor. Add cold butter and pulse until mixture resembles coarse sand.
03 -
Whisk egg yolk, heavy cream, and vanilla extract in a small bowl. Add to flour mixture and pulse until mixture just comes together and is crumbly.
04 -
Press dough evenly into lined baking pan and prick surface with a fork. Freeze for 20 to 30 minutes.
05 -
Cover with foil and use pie weights. Bake for 15 minutes, then remove foil and weights. Continue baking for 20 minutes until golden brown. Cool completely.
06 -
In a small bowl, sprinkle gelatin over 1/4 cup cold water and let stand to bloom.
07 -
In a heatproof bowl, combine softened butter and granulated sugar. Place bowl over a saucepan with 2 inches simmering water. Add egg yolks, mango puree, salt, and lemon juice. Whisk mixture continuously for 15 to 25 minutes until thickened.
08 -
Microwave gelatin for 8 to 12 seconds until melted. Stir into warm mango curd until fully incorporated.
09 -
Strain mango curd through a fine sieve for smoothness. Evenly spread curd over cooled shortbread crust.
10 -
Gently warm raspberry jam until pourable. Drop spoonfuls onto mango curd and swirl decoratively with a knife.
11 -
Refrigerate assembled bars for 4 to 6 hours, or until fully set before slicing.