Preheat the oven to 350°F (180°C).
In a bowl, cream together the butter and sugars until light in color and fluffy in texture. This will take about 2 minutes.
¾ cup (166g) salted butter, melted, 1 cup (246g) brown sugar, ¼ cup (58g) granulated sugar
Add in the eggs, corn syrup and vanilla extract. Once combined, add the flour, cocoa, corn starch, salt and baking soda. Mix until a soft dough forms.
2 eggs + 1 egg yolk, 1 Tbsp corn syrup, 1/2 Tbsp vanilla, 2 cups (304g) all-purpose flour, ⅔ cups (79g) dutch processed cocoa powder, ½ Tbsp corn starch, ½ tsp salt, ½ tsp baking soda
Divide the dough into 1 ½ Tbsp portions, roll into a ball and then roll into a bowl of M&M’s. Press the candies onto the cookie dough.
1 (16oz) bag holiday mini M&M’s
Arrange on a cookie sheet lined with parchment or a silicone mat.
Bake for 9-11 minutes or until the cookies spread slightly and start to crack.
Allow the cookies to cool on the pan for 10 minutes before serving. Enjoy!