Ingredients
Method
- Preheat oven to 350°F; parchment-line pan.
- Whisk butter, sugar, and eggs smooth.
- Stir in flour and cocoa into thick batter.
- Spread half the batter in pan, drizzle caramel, and top with remaining batter.
- Swirl with knife; sprinkle flaky salt.
- Bake 28 to 30 minutes; cool completely before cutting.
Notes
Chill them for an hour for cleaner slices through the gooey caramel.
