You are here: Home » Recipes » Homemade Chocolate Brownies Homemade Chocolate Brownies Recipe by California Walnut Board Yield 12 servings Prep 20 mins Cook 40 mins PrintEmail Ingredients 3/4 cup butter3/4 cup chocolate chips4 -- eggs1-1/2 cup sugar1/2 teaspoon vanilla extract1 cup flour2/3 cup unsweetened cocoa powder1/2 teaspoon baking powder3/4 cup chopped California walnuts Instructions Preheat oven to 350F and butter a 9-inch square baking pan. Melt butter and chocolate chips together in a small saucepan over very low heat; let cool. Beat eggs until light and fluffy in a large bowl. Whisk in sugar then stir in cooled chocolate mixture. Mix dry ingredients together in a small bowl and stir into batter. Stir in walnuts. Spread in prepared pan and bake for 40 to 45 minutes or until a toothpick inserted in the center comes out clean.