01 -
In a medium bowl, thoroughly combine brown sugar, black cocoa powder, and ground cinnamon. Set aside.
02 -
In a large mixing bowl or stand mixer, blend flour, unsweetened cocoa powder, instant yeast, instant espresso or coffee, and salt until evenly combined.
03 -
In a separate microwave-safe bowl, heat whole milk, granulated sugar, and butter on high for 60–90 seconds until warm but not hot; stir to blend.
04 -
Gradually add warmed milk mixture to flour mixture and mix with a dough hook on medium speed until ingredients start to come together.
05 -
Add the egg and continue mixing on low speed; beat until a sticky dough forms.
06 -
Mix dough for 2–3 minutes at medium speed until elastic. While mixing, incorporate up to 94g additional flour 1 tablespoon at a time, until dough pulls away from bowl and feels tacky but not sticky.
07 -
Cover the mixing bowl tightly with plastic wrap. Allow dough to rest for 15 minutes at room temperature for gluten relaxation.
08 -
Liberally flour work surface and roll dough into a 30 x 45cm rectangle, approximately 0.5cm thick.
09 -
Evenly spread softened butter onto dough, leaving a 2.5cm border on one long side. Sprinkle prepared chocolate cinnamon filling over butter. Gently pat filling into dough.
10 -
Roll dough up tightly from the buttered long side toward uncovered edge. Trim ends if uneven. Slice into 9 equal pieces using dental floss or a sharp knife.
11 -
Arrange slices cut side up in a greased 20 x 20cm pan. Cover with foil. Place in oven preheated to 95°C, then immediately turn oven off. Let dough rise inside for 30 minutes or until nearly doubled.
12 -
Remove pan from oven, discard foil. Preheat oven to 175°C. Once oven is ready, bake rolls for 26–32 minutes, or until centers register baked through and tops appear set.
13 -
In a medium bowl, combine butter, chocolate chips, and milk. Microwave at medium-high power (about 70%) for 60 seconds. Stir until chocolate is fully melted.
14 -
Whisk in powdered sugar and vanilla until glaze is fully smooth.
15 -
After baking, allow cinnamon rolls to cool in the pan for 5–10 minutes. Drizzle with chocolate glaze and serve warm.