These have the word muffin in them but they also have lots of chocolate and Leah is a fan of chocolate. These are so easy to make, literally just putting ingredients in a bowl, mix and spoon into the muffin liners.
2 cups all-purpose flour
1/2 cup brown sugar
1/2 cup granulated sugar
1/2 cup unsweetened cocoa powder
2 teaspoons baking powder
1/2 teaspoon baking soda
1/2 teaspoon kosher sea salt
6 tablespoons butter, melted
1 cup sour cream or plain greek yogurt
1/2 cup whole milk
2 large eggs
1 teaspoon pure vanilla extract
1 cup semisweet chocolate chunk