3 chocolate crepes with tangerines and chocolate sauce Recipes

crepes, semisweet or bittersweet chocolate chopped, unsalted butter plus more for the pan, eggs, sugar, salt, milk, vanilla, cocoa powder, flour, dark chocolate sauce, milk, heavy cream, semisweet chocolate, finely chopped, grand marnier , or 1/4 tsp orange or almond extract, milk chocolate may be used for a creamier, sweeter sauce), tangerines, peeled, sectioned , membranes removed, sugar for dusting

unsalted butter, semisweet chocolate, chopped (not unsweetened ), all-purpose flour, sugar, unsweetened cocoa powder (preferably dutch process), salt, eggs, room temperature, milk, room temperature, vanilla, seedless tangerines or 6 small oranges, grand marnier or 2 tbsp orange liqueur, melted butter, semisweet chocolate, coarsely chopped (not unsweetened ), whipping cream (or more ), grated orange peel