Time 40m Yield 4 dozen. Number Of Ingredients 11 Steps:

Preheat oven to 350°. In a large bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Add eggs and vanilla; mix well. Combine the flour, cocoa, baking powder and salt; gradually add to creamed mixture just until blended (do not overmix). , Pour batter into 2 greased 9-in. square baking pans. Sprinkle with chips and nuts. Bake until a toothpick inserted in the center comes out clean, 30-35 minutes. Cool.

Time 1h15m Yield 16 Number Of Ingredients 9 Steps:

Preheat oven to 325 degrees F. Melt the butter and unsweetened chocolate over low heat in a medium saucepan, stirring constantly. Remove from heat; cool slightly. Stir the sugar into the cooled chocolate mixture in saucepan. Add the eggs, one at a time, beating with a wooden spoon just until combined. Stir in the vanilla. Stir together the flour and baking soda in a small mixing bowl. Add the flour mixture to the chocolate mixture; stir just until combined. Press one-half of the cookie dough into an 8x8-inch Reynolds® Bakeware Pan. Spread brownie batter evenly over cookie dough. Crumble remaining cookie dough and sprinkle evenly over brownie batter. Press down slightly. Bake 50 to 55 minutes or until edges are firm are starting to pull away from sides of the pan. Cool on a wire rack. Cut into bars.

Time 1h5m Yield 1 dozen. Number Of Ingredients 13 Steps:

Preheat oven to 350°. Line a 9-in. square baking pan with foil, letting ends extend up sides; grease foil., In a microwave, melt butter in a large microwave-safe bowl. Stir in sugar and cocoa. Add eggs, 1 at a time, whisking to blend after each addition. Add flour; stir just until combined. Stir in nuts. Spread into prepared pan. Bake 15 minutes., Meanwhile, for cookie layer, melt butter in another microwave-safe bowl. Stir in brown sugar. Whisk in egg. In a small bowl, whisk flour and baking soda; stir into butter mixture just until combined. Stir in chocolate chips. Spoon mixture over hot brownie layer., Bake 35-40 minutes longer or until a toothpick inserted in center comes out with moist crumbs. Cool completely in pan on a wire rack. Lifting foil, remove brownies from pan. Cut into bars.

Time 3h Yield Makes 16 Number Of Ingredients 9 Steps:

Preheat oven to 350 degrees. Brush a 9-inch square baking pan with butter. Line bottom and two sides with a strip of parchment paper, leaving a 2-inch overhang on the two sides. Butter paper, and set pan aside. In a small bowl, whisk flour, cocoa, baking powder, and salt; set aside. Place butter and chocolate in a large heat-proof bowl set over (not in) a saucepan of gently simmering water. Heat, stirring occasionally, until smooth, 2 to 3 minutes; remove bowl from pan. Add sugar; mix to combine. Add eggs, and mix to combine. Add flour mixture; mix just until moistened (do not overmix). Add chocolate chips. Transfer batter to prepared pan; smooth top. Bake until a toothpick inserted in center comes out with a few moist crumbs attached, 50 to 60 minutes. Cool in pan for 30 minutes. Using paper overhang, lift brownies out of pan; transfer to a rack to cool completely (still on paper). On a cutting board, using a dampened serrated knife, cut into 16 squares. Store in an airtight container at room temperature, up to 2 days.

Time 2h20m Yield 24 Number Of Ingredients 5 Steps:

Heat oven to 350°F. Grease bottom of 13x9-inch pan with shortening or cooking spray. Make brownie batter as directed on box for cakelike brownies. Spread in pan. Make cookie mix as directed on pouch. Drop dough by rounded tablespoonfuls evenly onto brownie batter; press down lightly. Bake 28 to 32 minutes or until toothpick inserted 2 inches from side of pan comes out almost clean. Cool completely on cooling rack, about 1 hour 30 minutes. Frost with frosting. For brownies, cut into 6 rows by 4 rows.

Time 3h40m Yield 24 Number Of Ingredients 8 Steps:

Heat oven to 350°F. Spray bottom only of 13x9-inch pan with cooking spray. Make brownie batter as directed on box. Spread in pan. Bake 22 to 25 minutes or until toothpick inserted 2 inches from side comes out almost clean. Cool completely, about 1 hour. In medium bowl, beat cream cheese, butter and brown sugar with electric mixer on low speed until smooth and creamy. Beat in powdered sugar and vanilla. Stir in chocolate chips. Spread over brownie layer. Refrigerate about 2 hours or until set. Cut into 6 rows by 4 rows. Store covered in refrigerator.

Time 53m Yield 36 serving(s) Number Of Ingredients 9 Steps:

Preheat the oven to 400°F. Line a 10 x 15 jelly roll pan with foil, and coat with non-stick cooking spray. Using a large saucepan over medium-high heat, melt the butter. Remove from heat. Stir in the sugar, vanilla, and 3 of the eggs until smooth. Add the baking soda in pinches. Mix in the flour and stir until smooth. Pour half of the batter into the pan and spread in a thin layer. Press the chocolate chips into the batter. Beat the remaining eggs and cocoa into the batter until smooth. Mix in the walnuts. Pour into the pan on top of the first layer and spread evenly. Bake on the lowest rack for 18 minutes, until the top is dry but the interior is not yet firm. Store for up to one week, wrapped in plastic.

Time 55m Yield 12 Number Of Ingredients 14 Steps:

Preheat the oven to 350 degrees F (175 degrees C). Butter a 9x13-inch baking pan for the brownies. Combine 2 cups sugar, 1 1/2 cups flour, 1 cup butter, cocoa powder, eggs, vanilla extract, and salt together in a bowl. Pour brownie batter into the prepared baking pan. Bake in the preheated oven until set, about 35 minutes. Remove from oven and let brownies cool completely, about 30 minutes. Combine 1/2 cup softened butter, brown sugar, and 1/2 cup white sugar in a bowl. Add 1 cup flour, vanilla extract, and milk. Mix well. Stir in chocolate chips and spread cookie dough on top of the cooled brownies in the pan. Store in the refrigerator.

Time 55m Yield 48 brownies Number Of Ingredients 8 Steps:

Heat oven to 350ºF. Grease bottom only of 13x9-inch pan. Make brownie mix as directed on box, using oil, water and 2 eggs; Spread in pan. Make cookie mix as directed on pouch, using butter and 1 egg. Drop dough by rounded tablespoonfuls evenly onto brownie batter; press down lightly. Bake 35 to 40 minutes or until toothpick inserted 2 inches from side of pan comes out almost clean. Cool completely, about 1 hour then frost. **For brownies, cut into 8 rows by 6 rows.