01 -
Preheat oven to 425°. Arrange tart shells on a baking sheet. In a small bowl, combine granulated sugar and cinnamon. Brush shells with melted butter, then sprinkle with cinnamon sugar.
02 -
Bake shells until golden brown, about 8 minutes. Let cool.
03 -
In a medium bowl, whisk ricotta, confectioners’ sugar, orange zest, and vanilla until smooth and combined. Transfer to a zip-top plastic bag, seal bag, and refrigerate until ready to use.
04 -
Remove shells from pan and arrange on a platter. Snip off a small corner of the plastic bag and pipe filling into each shell.
05 -
Top filled shells with mini chocolate chips or chopped pistachios. Dust with confectioners’ sugar.
06 -
Filling can be made 2 days ahead. Keep refrigerated in the plastic bag until ready to use.