Classic Brownies - cooking recipe

Ingredients

3 oz. unsweetened chocolate
1 c. flour
1/2 tsp. baking powder
1/2 tsp. salt
8 Tbsp. unsalted butter (at room temperature)
1 1/4 c. sugar
2 eggs
1 1/2 tsp. vanilla extract
3/4 c. chopped walnuts

Preparation

Heat oven to 250\u00b0.
Chop the chocolate; put into ovenproof pan and melt the chocolate, stirring occasionally, until smooth. Remove chocolate and increase temperature to 325\u00b0.
Butter 9-inch square baking pan.
Combine flour, baking powder and salt with electric mixer; beat butter and sugar until fluffy.
Beat in eggs 1 at a time.
Slowly beat in chocolate, then the vanilla.
Reduce speed to low.
Beat in flour mixture until mixed, then add walnuts.
Put in pan.
Bake 30 to 35 minutes.