In a saucepan, combine the orange juice, lemon juice, and sugar. Whisk in the eggs and cook over medium heat, stirring constantly until thickened. Remove from heat and stir in butter and zests until smooth. Cool and refrigerate.

For the Sesame Streusel

Make the Streusel

Preheat oven to 350°F (175°C). In a bowl, mix flour, sesame seeds, brown sugar, and salt. Cut in butter until crumbly. Spread on a baking sheet and bake for 15-20 minutes until golden. Let cool.

For the Miso Caramel

Prepare the Caramel

In a saucepan, combine sugar and water. Cook without stirring until golden. Remove from heat, then carefully whisk in cream and miso. Stir in butter until smooth. Let cool.

For the Spiced Honey Gelato

Churn the Gelato

In a saucepan, heat milk, cream, honey, cinnamon, and ginger. In a bowl, whisk yolks, then temper with hot mixture. Cook until thickened, then chill and churn in an ice cream maker until smooth.

Assembly

Assemble the Tart

Spread the citrus curd into a tart shell, top with sesame streusel, and drizzle with miso caramel. Serve with a scoop of spiced honey gelato.