Chewiest Brownies - cooking recipe

Ingredients

1 cup unsweetened cocoa powder
1/2 cup melted butter
2 cups white sugar
2 eggs
1/4 teaspoon salt
1 cup all-purpose flour
2 teaspoons vanilla extract
1/3 cup confectioners' sugar for decoration

Preparation

Preheat oven to 300 degrees F (150 degrees C). Line one 9x13 inch pan with greased parchment paper.
Combine the cocoa, melted butter, sugar, eggs, salt , flour and vanilla. Mix until well combined. It should be very thick and sticky.
Spread mixture into the prepared pan. Bake at 300 degrees F (150 degrees C) for 30 minutes. Cool completely before cutting into squares.