Cheesecake-Marbled Brownies

Directions

1. 1.

   Put oven rack in middle position and preheat oven to 350°F. Butter an 8-inch square baking pan.

2. 2.

   Heat butter and chocolate in a 3-quart heavy saucepan over moderately low heat, whisking occasionally, just until melted. Remove from heat and whisk in sugar, eggs, vanilla, and a pinch of salt until well combined. Whisk in flour until just combined and spread in baking pan.

3. 3.

   Whisk together cheesecake batter ingredients in a small bowl until smooth. Dollop over brownie batter, then swirl in with a knife or spatula.

4. 4.

   Bake until edges are slightly puffed and center is just set, about 35 minutes.

5. 5.

   Serve warm or at room temperature.