Fudgy Brownie and Raspberry Ice Cream Sandwiches

 tablespoons unsalted or salted butter (3/4 of 1 stick)

 ounces bittersweet or semisweet chocolate, chopped (I used Trader Joe’s 72% Pound Plus Bar)

granulated sugar

 teaspoon vanilla extract

 large eggs, at room temperature preferred

 cup all-purpose flour

raspberry sorbet, softened (or your favorite sorbet, ice cream, or gelato)