Ingredients
- 1 cup (2 sticks) unsalted butter, melted
- 1 3/4 cups granulated sugar
- 3 large eggs, at room temperature
- 2 teaspoons vanilla extract
- 1 tablespoon white vinegar
- 1/4 cup buttermilk
- 1 1/2 cups all-purpose flour
- 3 tablespoons unsweetened cocoa powder
- 1/2 teaspoon salt
- 1 to 2 tablespoons red food coloring
- Swirl: 8 oz cream cheese, softened
- Swirl: 1/3 cup granulated sugar
- Swirl: 1 large egg
- Swirl: 1 teaspoon vanilla extract
Instructions
- Preheat the oven to 350°F (175°C). Line a 9×13-inch pan with parchment, leaving an overhang, and lightly grease.
- Whisk the melted butter and sugar, then whisk in the eggs one at a time.
- Stir in the vanilla, vinegar and buttermilk.
- In another bowl, whisk the flour, cocoa and salt, fold into the wet mixture, then mix in the food coloring.
- For the swirl, beat the cream cheese and sugar for 2 minutes, then beat in the egg and vanilla.
- Spread the brownie batter in the pan, drop spoonfuls of cream cheese mixture on top and swirl gently with a knife.
- Bake for 28 to 32 minutes, until the edges are set.
- Cool completely, at least 1 hour, before cutting.
Notes
For clean squares, chill for 2 hours before cutting. Buttermilk substitute: 1/4 cup milk + 1 teaspoon vinegar, rested 5 minutes.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American