Boston Cooking School Brownies - cooking recipe

Ingredients

16 tablespoons butter, plus more for greasing
4 ounces unsweetened baking chocolate
2 cups sugar
2 eggs, beaten
1 1/2 teaspoons vanilla extract
1 cup roughly chopped walnuts (optional)
1 cup flour

Preparation

Preheat oven to 325.
Grease and 8x8 baking pan with butter. Line with parchment paper and grease the paper. Set aside.
Melt butter and chocolate together in a 2-qt saucepan, stirring often.
Remove from heat and stir in sugar.
Add eggs and vanilla and stir until smooth.
Add nuts, if using, and flour, and stir until incorporated.
Pour into prepared baking pan and smooth.
Bake about 60 minutes, or until a toothpick inserted into the center comes out clean.
Let cool at least 2 hours before cutting and serving.