I also bet you already have them in your kitchen: powdered sugar, evaporated milk, chocolate chips, butter and vanilla extract. So easy and amazing!
1 3/4 cups powdered sugar
1 can (12 ounces) evaporated milk
1 cup semi sweet chocolate chips
1/2 cup (1 stick) butter
1 teaspoon Rodelle pure vanilla extract
Find it online: https://lolohomekitchen.com/2020-4-hot-fudge-sauce/