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Best Ever Chocolate Cake Recipe | Fudgy Brownies Dessert

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
Cook Time 32 minutes
Total Time 1 hour 30 minutes
Servings 16 squares

Ingredients
  

Ingredients

  • 1 cup (225 g) unsalted butter
  • 6 oz (170 g) dark chocolate, chopped (60–70% cocoa)
  • 1 1/2 cups (300 g) granulated sugar
  • 1/2 cup (110 g) packed brown sugar (light or dark)
  • 4 large eggs, room temperature
  • 2 tsp vanilla extract
  • 3/4 cup (75 g) unsweetened cocoa powder (natural or Dutch process)
  • 3/4 cup (95 g) all-purpose flour
  • 1/2 tsp fine sea salt
  • 2 tbsp neutral oil (canola or grapeseed)
  • Optional: 1/2 cup chocolate chips, chopped walnuts, or flaky sea salt for topping

Instructions
 

Instructions

  • Heat oven to 350°F (175°C) and line a 9-inch square metal pan with parchment, leaving overhang, then lightly grease the paper.
  • Melt the butter and chopped dark chocolate together in a heatproof bowl over simmering water or in short microwave bursts, stirring until smooth and glossy.
  • While the mixture is still warm, whisk in the granulated sugar and brown sugar until combined.
  • Whisk in the eggs one at a time, mixing well after each until the batter looks thick and satiny, then mix in the vanilla and oil and whisk 30–45 seconds more.
  • Sift or whisk together the cocoa powder, flour, and salt, then fold into the chocolate mixture just until no dry streaks remain; fold in any optional add-ins.
  • Spread the batter evenly in the prepared pan, smooth the top, and sprinkle with flaky salt if using.
  • Bake for 25–32 minutes until edges are set and just pulling from the pan, the center wobbles slightly, and a toothpick shows moist fudgy crumbs.
  • Cool in the pan on a rack for at least 45–60 minutes, then lift out using the parchment and slice with a warm knife, wiping between cuts.

Notes

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.