Disgustingly Rich Brownies Recipe

Preheat oven to 350℉ (180℃). Melt butter; stir cocoa and sugar together, then stir in melted butter. Add eggs and vanilla. Add flour and salt. Stir until smooth. Grease 8 or 9-inch baking pan; spread mixture into pan. Bake 40 to 50 minutes or until toothpick comes out clean. Cool.