How to make brownies in 30 minutes?
Ingredients
1 cup of cocoa powder or 150g of melted semi-sweet chocolate
1/2 cup unsalted butter (about 115g)
1 cup of sugar
2 large eggs
1 teaspoon of vanilla extract
3/4 cup of wheat flour
1/4 teaspoon of salt
1/2 cup chopped walnuts (optional)
Preparation method
