Add a Swirl of Sauce. Your favorite ice cream topping can make a boxed brownie mix taste homemade. Pour the brownie batter into the pan, drizzle caramel sauce over the batter, and use a knife to swirl the sauce throughout the batter. Top baked brownies with additional caramel sauce and toasted pecans to make turtle brownies. Preheat the oven to 300 degrees F. Butter and flour an 8-inch square pan. In a mixer fitted with a whisk attachment, beat the eggs at medium speed until fluffy and light yellow. Preheat oven to 350°F. Line an 8-inch square baking pan with parchment paper or greased foil. Set aside. In a medium bowl, sift together all the dry ingredients. Instructions. Preheat oven to 350°F. Lightly grease an 8×8-inch baking dish or pan with non-stick cooking spray and set aside. Place the butter and chocolate chips in a large microwave-safe bowl. Heat in the microwave for about 2 minutes, stirring every 30 seconds, until the chocolate chips are melted and smooth. Grease a 9×13" brownie pan. In a large bowl, stir together the flour, sugar, cocoa powder, baking powder, and salt until fully mixed. In a separate bowl, beat the 4 eggs. Stir the eggs and melted butter into the dry mixture until fully combined and there are no lumps in the batter. Stir in the chopped pecans. Mocha Cookie Bars. 4 Ratings. I Tried Our 5 Most Popular Brownie Recipes and the Winner Stole My Heart. Best Brownies. 13,663 Ratings. Sweet Potato Brownies. I Finally Found the Secret Ingredient to the Fudgiest Brownies Ever. 3 Ratings. Air Fryer Raspberry Brownie Bites. Fluffy Brownies. 1. Preheat the oven to 350 degrees. 2. Melt the butter and unsweetened chocolate. Place the butter and chocolate together in a microwave-safe dish. Put the dish in the microwave and cook it in 30-second increments until the mixture is melted. Use a spoon to stir the mixture to combine it. 3. Heat oven to 350°F (325°F for dark or nonstick pan). Line 9-inch square pan with foil, allowing some to hang over edges of pan. Grease bottom and sides of foil with shortening or cooking spray. Make brownie mix batter as directed on box. Spread in pan. 2. VXw3Fq.