Easy Skillet Brownie baked in cast iron with a fudgy dark chocolate center, crispy caramelized edges, and a generous scoop of vanilla ice cream melting on top — ready in 25 minutes.
Preheat the skillet for crispy caramelized edges. Don't overbake — center should jiggle slightly when done. Cool 3 to 5 minutes before adding ice cream. Whisk eggs and sugar vigorously for a shiny crackly top. Add espresso powder to deepen chocolate flavor.