Upside Down Key Lime Pies

Bahan-bahan (4 porsi)

• 3 large egg yolks
• 2/3 cup (160ml) key lime juice*
• one 14 ounce can full-fat sweetened condensed milk
• 1 teaspoon lime zest
• hot water for water bath
• 2 full sheet graham crackers*
• 1 Tablespoon (14g) unsalted butter
• 1 teaspoon packed light or dark brown sugar
• whipped cream or meringue (see recipe note), lime slices, chopped macadamia nuts or pecans, raspberries, edible florals