Cannoli Croissant Pudding

Name: Cannoli Croissant Pudding
Ingredients: Nonstick cooking spray, for the baking or casserole dish; 6 croissants, preferably day-old; 2 cups (475 to 500 grams) ricotta; 1/2 cup (65 grams) confectioners’ sugar, plus more for serving; 1/4 teaspoon kosher salt; 1 orange, zested; 1/2 cup (85 grams) mini semisweet chocolate chips; 1/2 cup (60 grams) finely chopped pistachios; 4 large eggs; 3/4 cup (180 milliliters) whole milk; 1/4 cup (60 milliliters) whipping cream; 1 teaspoon pure vanilla extract; 1/4 teaspoon ground cinnamon