1️⃣ Make the Crust
Whisk flour, coconut, sugar, and salt.
Cut in butter until mixture resembles coarse crumbs.
Add egg yolk and ice water until dough forms.
Shape into disk, chill 30 minutes.
Roll out and press into 9-inch tart pan.
Prick bottom with fork.
Bake at 375°F (190°C) for 18–20 minutes until lightly golden.
Cool slightly.
2️⃣ Prepare Filling
Whisk papaya purée, condensed milk, egg yolks, lime juice, zest, and salt until smooth.
Pour into partially cooled crust.
Bake 25–30 minutes at 350°F (175°C) until center is just set (slight jiggle is fine).
Cool completely, then refrigerate at least 2 hours.
3️⃣ Decorate
Arrange fresh papaya slices in a spiral pattern.
Sprinkle toasted coconut and lime zest.