Yield:16-ish brownies, depending on how you cut ‘em 1x
Ingredients
Scale
Brownies:
½ cup + 2 Tbsp (142g) unsalted butter
¾ cup (149g) granulated sugar
1/3 cup (71g) light brown sugar, packed
1 cup (88g) unsweetened cocoa powder, sifted
2 large eggs, room temp
1 large egg yolk, room temp
1 Tbsp (20g) light corn syrup
1 tsp vanilla extract
2/3 cup (85g) all-purpose flour
1 Tbsp (7g) cornstarch
¼ tsp salt
Chocolate Frosting:
½ cup (114g) heavy cream
1 ½ cups (255g) semi-sweet chocolate chips
Decoration:
Sunflower Food Co. Rainbow Sunny Seeds
Instructions
Heat oven to 350°F. Grease and line an 8" x 8" metal baking pan with parchment paper; set aside.
In a large, microwave-safe bowl, melt butter. Whisk in sugars and cocoa powder.
Allow to cool slightly, then add eggs, egg yolk, corn syrup, and vanilla, whisking until fully combined and glossy.
Sift in flour, cornstarch, and salt. Mix just until combined.
Pour thick batter into prepared pan, smoothing the top with offset spatula or the back of a spoon.
Bake for 25 minutes.
Transfer pan to wire rack. Allow to cool completely.
Once your brownies are totally cool, make the chocolate frosting. In a microwave-safe bowl, heat cream for 1 minute.
Add chocolate chips and allow to sit for 3 minutes. Stir until smooth.
Pour frosting over cool brownies, tilting pan this way and that way to evenly spread the frosting. Finesse with an offset spatula or back of a spoon, if necessary.
Sprinkle rainbow sunny seeds on top. Use just a few to keep in line with the original cosmic brownies or add more (like we did!) because you’re the boss in your own kitchen.
Refrigerate brownies for 1–2 hours to allow frosting to set.
Once your frosting is set, remove brownies from pan by pulling up on the parchment paper, then cut your brownies. NOTE: We recommend using a chef’s knife and running it under hot water before each cut. A clean, hot knife will give you the neatest cuts.
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