1-First Step: Prep the pan and oven Start by preheating your oven to 350°F. Spray 3 silicone egg molds with nonstick spray so the brownies release easily after baking. If you do not have silicone egg molds, you can bake the batter in a pan and cut shapes later, but the molds give the best deviled egg look.

2-Second Step: Mix the brownie batter Prepare the brownie batter according to the package instructions using the 18.3 ounce box of fudgy brownie mix, 2 large eggs, 2/3 cup vegetable oil, and 3 tablespoons water. Mix until the batter is smooth and thick. A fudgy brownie mix works best here because it gives the brownies the dense texture needed to hold the frosting swirl. Once mixed, divide the batter evenly among the molds and fill each cavity about 3/4 full. This gives the brownies room to rise without spilling over. Try not to overfill, because the center cavity you press later needs enough surface space to hold the frosting.

3-Third Step: Bake until just set Place the molds in the oven and bake at 350°F for about 22 minutes. Check for doneness by inserting a toothpick into the center. You want it to come out with moist crumbs, not wet batter. That is the sweet spot for fudgy brownies. If you bake them too long, the texture can become dry and crumbly. A slightly underbaked center is better for this recipe because it keeps the brownies soft after cooling.

4-Fourth Step: Shape the brownie centers Remove the brownies from the oven and, while they are still warm, gently press a small cavity into the top of each brownie. You can use the back of a measuring spoon or your fingertip if needed. This step creates the space for the frosting swirl, so work carefully and do not press too hard. Pressing the cavities while the brownies are warm helps prevent cracking. This is one of the most important tricks in the recipe. If you wait too long, the brownies firm up and may split.

5-Fifth Step: Cool completely Let the brownies cool fully before adding the frosting. This part matters because warm brownies will melt the cream cheese filling and ruin the shape. If you are in a hurry, place the molds on a wire rack and let them sit until they are completely cool to the touch. Best practice: cool brownies fully before piping the frosting, or the swirl will lose its shape.

6-Sixth Step: Make the frosting In a medium bowl, beat together 8 ounces softened cream cheese, 1/2 cup powdered sugar, and 1 teaspoon vanilla until smooth and creamy. The mixture should look fluffy and spreadable. If you want a stronger color for a holiday tray, you can tint the frosting with food gel. You can also use store-bought frosting if you need a shortcut, but homemade frosting gives a fresher taste and better texture for piping.

7-Seventh Step: Pipe the swirl Transfer the frosting to a piping bag fitted with a 1M tip. Pipe a swirl into each brownie cavity to mimic the look of a deviled egg filling. The 1M tip gives that pretty bakery-style swirl without much effort. If you do not have a piping bag, you can spoon the frosting in and swirl it lightly with the back of a spoon. Work in even amounts so each brownie looks neat and balanced. The frosting should sit on top in a soft swirl rather than sinking into the brownie.

8-Eighth Step: Add the garnish and serve Finish each brownie with 1 to 2 teaspoons festive sprinkles. Choose colors that match the occasion, such as red and green for Christmas, pastel sprinkles for spring, or gold and silver for a birthday party. Then place the brownies on a deviled egg tray for the cutest presentation. These are ready to serve as soon as they are frosted, but you can chill them briefly if you want the topping to firm up a little. They are great for parties because they look playful and taste rich at the same time.