
Ingredients
For the brownies:
10 tablespoons (142 grams) unsalted butter
1 cup (200 grams) granulated sugar
1/3 cup (67 grams) packed light brown sugar
3/4 cup plus 2 tablespoons (88 grams) unsweetened cocoa powder, sifted
1/2 teaspoon vanilla extract
2 large eggs plus 1 egg yolk
1 tablespoon corn syrup
2/3 cup (85 grams) all-purpose flour
1 tablespoon cornstarch
1/4 teaspoon salt
For the frosting:
1 1/2 cups (255 grams) semisweet chocolate chips
1/2 cup heavy cream
Wilton Rainbow Chip Crunch or mini M&M’s, sprinkles, or other candy