Hot Fudge Sauce

I fell in love with hot fudge sauce at Brighams, an ice cream parlor/restaurant my dad and I used to go to on special occasions. We would sit at the counter, eating peppermint stick ice cream topped with thick, dark, oh-so-chocolaty hot fudge sauce. Here, I’ve tried to recreate that sauce. The recipe from Baker’s Famous Chocolate Recipes (1936) calls for unsweetened chocolate, but I used a mix of cocoa powder and bittersweet chocolate—the combo gives