1 Make the pudding base: In a medium, microwave-safe bowl, whisk together the sugar, cornstarch, cocoa powder and salt until blended. Stir in 1/2 cup of the milk and whisk until smooth. Whisk in the egg yolks. Gradually stir in the remaining milk.
2 Microwave the pudding: Partially cover the bowl with plastic wrap, a paper towel, or a plate set slightly askew (so steam can escape). Microwave for 3 minutes. Remove from the microwave, take off the plastic, and whisk the pudding to distribute the heat.
Partially cover again and microwave 2 more minutes. Remove and whisk again. The pudding have started thickening.
Continue to microwave in 45-second increments, stirring the pudding between each increment. The pudding is ready when you see the mixture bubbling around the edges and it has thickened enough for the whisk to leave a light trail, or ribbon, through the pudding (it’s ok if…