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One Bowl Brownies

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These one bowl brownies are rich, fudgy, and full of chocolate flavor—with minimal cleanup! Made with melted butter, cocoa powder, and chopped chocolate for the perfect bite.

Ingredients

1 cup butter, melted and slightly cooled

1 cup granulated white sugar

1 cup packed dark brown sugar

4 large eggs

1 tablespoon pure vanilla extract

1 cup all-purpose flour

1 cup Dutch-processed or unsweetened cocoa powder

1 teaspoon espresso powder (optional)

1 teaspoon kosher salt

1 ¼ cups chopped chocolate, divided

Instructions

Preheat oven to 350°F (175°C). Spray a 9×13″ baking pan with nonstick spray. Line with parchment paper, leaving an overhang for easy removal. Spray again.

In a large mixing bowl, whisk together melted butter, granulated sugar, and brown sugar until the sugar is mostly dissolved.

Add eggs and vanilla extract. Whisk until smooth and fully combined.

Sift in flour and cocoa powder. Add salt and espresso powder (if using). Stir gently until just combined—do not overmix.

Fold in 1 cup of chopped chocolate. Spread batter evenly in prepared pan and sprinkle remaining 1/4 cup of chopped chocolate on top.

Bake on the middle rack for 25–30 minutes, or until the top is just set and a toothpick inserted into the center comes out with a few moist crumbs. Do not overbake.

Cool completely in the pan before cutting. Optional: sprinkle with flaky sea salt before serving.

Notes

Dutch-processed cocoa gives a smoother, richer flavor but unsweetened cocoa works too.

Espresso powder deepens the chocolate flavor but is optional.

For clean slices, chill brownies before cutting.

Store in an airtight container at room temperature for up to 4 days.