Pre heat the oven to 350 º
Combine the figs, orange juice and 1 tablespoon of the granulated sugar in a small bowl. Set aside for 15 minutes.
Place chocolate chips in microwave proof dish. Heat on high for 30 seconds, stir, and heat again for another 30 seconds. If the chocolate still has some solid pieces, return for another 10 seconds, remove and stir. Set aside until ready to use.
Combine ricotta, sour cream, heavy cream, egg yolk, remaining 1 tablespoon granulated sugar, salt and orange zest in a medium bowl. Whisk together until smooth.
Add the melted chocolate and stir again until combined.
Add marinated figs with their juice; stir until combined.
Pour the filling into the prepared and cooled tart shell and spread the filling evenly. Place on a rimmed baking sheet and bake until the crust is deep golden brown and the filling is puffed and beginning to crack, about 40 minutes.
Allow to cool to room temperature for 1 hour before refrigerating until fully chilled, about 2 hours.