Ultra-fudgy chocolate cake-brownies with shiny crackly tops, deep chocolate flavor, and a dense, chewy center. Simple one-bowl method using cocoa and melted dark chocolate for bakery-level results at home.
Prep Time 20 minutes mins
Cook Time 32 minutes mins
Total Time 1 hour hr 30 minutes mins
For a crackly top, combine sugars while the chocolate-butter mixture is warm and whisk eggs until thick and glossy. Do not overmix after adding flour and do not overbake; pull when the center looks slightly underdone. Storage: airtight at room temperature 3–4 days (add a slice of bread to keep soft); refrigerate up to 1 week; freeze up to 2 months (wrap individually). Variations: add espresso powder, caramel swirl, peppermint, peanut butter, mixed chips, walnuts, or orange zest. For a 9x13 pan, double the recipe and start checking at 28–32 minutes. Gluten-free: use a 1:1 baking blend and rest batter 10 minutes before baking.