Super Fudge Brownies
["6 oz. unsweetened baking chocolate", "1 c. salted butter, softened", "4 large eggs", "2 c. white sugar", "1 Tbsp. pure vanilla extract", "1/2 c. all-purpose flour", "1 c. (6 oz.) semi-sweet chocolate chips"]
["Preheat oven to 300\u00b0.", "Grease an 8 x 8-inch baking pan. Combine unsweetened baking chocolate and butter in a medium saucepan; melt over medium-low heat, stirring constantly, until pieces are almost melted.", "Remove from heat and stir until smooth. In a large bowl using an electric mixer on medium speed, beat eggs until light yellow in color, about 5 minutes.", "Add sugar and blend on low until thoroughly combined.", "Add vanilla and melted chocolate to the egg and sugar mixture;", "blend on low speed until smooth.", "Add the flour and mix thoroughly.", "Pour batter into greased pan.", "Smooth surface with a spatula and sprinkle uniformly with chocolate chips.", "Bake on the center rack of oven for 45 to 55 minutes.", "The batter should be set and a toothpick inserted in center should come out clean; do not overbake.", "Cool to room temperature.", "Cover and refrigerate for at least 1 hour.", "Cut and serve chilled."]
["chocolate", "butter", "eggs", "white sugar", "vanilla", "all-purpose", "semi-sweet chocolate chips"]