Ingredients

2 sticks unsalted butter

8 oz bittersweet chocolate (LT 60% cocoa)

2 c sugar

1 tsp vanilla

5 eggs

1/3 c unsweetened Dutch-process cocoa

2/3 c flour

1/2 tsp salt

Preparation

Preheat oven to 350F. Place oven rack in middle. Butter and flour 13 x 9" pan.

Melt butter and chocolate in 3 qt heavy sauce pan over low heat, stirring until smooth.

Remove from heat and cool to lukewarm.

Whisk in sugar and vanilla.

Whisk in eggs one at a time until smooth and glossy.

In separate bowl, whisk together flour, cocoa, and salt. Then whisk into chocolate mixture to combine.

Spread in pan and bake 25 - 35 minutes until a pick in centre has crumbs. Cool completely in pan before cutting into squares.