Deep Chocolate Brownies

1. 1

   Preheat oven to 350u00b0F with rack in middle. Butter and flour a 13- by 9-inch baking pan.

2. 2

   Melt butter and chocolate in a 3-qt heavy saucepan over low heat, stirring, until smooth. Remove from heat and cool to lukewarm. Whisk in sugar and vanilla. Whisk in eggs 1 at a time until mixture is glossy and smooth.

3. 3

   Whisk together flour, cocoa powder, and salt, then whisk into chocolate mixture until combined.

4. 4

   Spread in pan and bake until a pick inserted in center comes out with crumbs, 25 to 35 minutes. Cool completely.

No additional tips available.