Step 1

Preheat your oven to 350 degrees. Prepare a jumbo muffin pan with liners or spray with cooking spray to prevent muffins from sticking.

Step 2

In the bowl of a stand mixer fitted with the paddle attachment, mix the white sugar, brown sugar, flour, cocoa powder, baking powder, baking soda, salt, and cinnamon. Turn the mixer on medium speed to mix well.

Step 3

Gradually add in the egg, milk, and oil, and mix until incorporated.

Step 4

Remove the bowl from the mixer and stir in the hot water. This will make the mixture thin, which is the goal. Once the water is incorporated, stir in the chocolate chips.

Step 5

Using a measuring cup or scoop, fill each muffin well just above half-full with batter. Sprinkle additional chocolate chips on top.

Step 6

Bake muffins for 23 to 25 minutes. Remove from the oven and allow to cool before eating.