Brownies are typically made with a combination of sugar, eggs, baking powder, flour, salt, butter, cocoa powder and vanilla. The ingredients are mixed, poured into a pan and baked in an oven.
Brownies can be made with chocolate, peanut butter, nuts and other ingredients. A recipe from the Food Network called Cocoa Brownies uses four eggs, 1 cup of sugar, 1 cup of brown sugar, 8 ounces of melted butter, 1 1/4 cups of cocoa, 2 teaspoons of vanilla extract, 1/2 cup of flour and 1/2 teaspoon of kosher salt. Beat the eggs at medium speed until they are fluffy, add the sugars and remaining ingredients, and pour the batter into a greased and floured 8-inch pan. The mix bakes for 45 minutes and yields about 16 brownies.
AllRecipes.com features more than 300 brownie recipes including cheesecake, vegan, pumpkin, raspberry fudge and no-egg brownies. A recipe called Easiest Brownies Ever has you mix 1 cup of butter with 2 cups of brown sugar before beating in two eggs one at a time. Mix in 2 teaspoons of vanilla extract, 1 cup of flour, 1 cup of cocoa powder and a pinch of salt. The mixture takes about 20 minutes to bake.