Whisk 1/2 cup plus 2 tablespoons sugar, cornstarch, and 1/4 teaspoon salt in medium saucepan to blend. Add 1/2 cup milk and egg yolks; whisk until smooth. Whisk in remaining 2 cups milk. Bring mixture to boil over medium-high heat, whisking constantly. Boil 1 minute, whisking constantly. Remove pan from heat; add chocolate chips and butter. Whisk pudding until melted and smooth. Stir in vanilla.
Divide pudding evenly among 6 dessert cups or wineglasses. Place plastic wrap directly onto surface of each, covering pudding completely. Chill until cold, at least 3 hours. DO AHEAD: can be made up to 1 day ahead. Keep chilled.
Using electric mixer, beat whipping cream, Grand Marnier, orange peel, and remaining 1 tablespoon sugar in medium bowl until peaks form. DO AHEAD: Can be made 2 hours ahead. Cover and chill.
Uncover puddings. Spoon dollop of whipped cream over each and serve.

Kitchen-Friendly View

Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	524 Kcal (2194 kJ)
Calories from fat	333.82 Kcal
		% Daily Value*
Total Fat	37.09g	57%
Cholesterol	161.68mg	54%
Sodium	76.24mg	3%
Potassium	206.56mg	4%
Total Carbs	38.32g	13%
Sugars	15.02g	60%
Dietary Fiber	0.39g	2%
Protein	9.31g	19%
Vitamin C	0.3mg	0%
Vitamin A	0.4mg	13%
Iron	0.5mg	3%
Calcium	153.6mg	15%

Amount Per 100 g
Calories	213.04 Kcal (892 kJ)
Calories from fat	135.72 Kcal
		% Daily Value*
Total Fat	15.08g	57%
Cholesterol	65.73mg	54%
Sodium	31mg	3%
Potassium	83.98mg	4%
Total Carbs	15.58g	13%
Sugars	6.1g	60%
Dietary Fiber	0.16g	2%
Protein	3.78g	19%
Vitamin C	0.1mg	0%
Vitamin A	0.2mg	13%
Iron	0.2mg	3%
Calcium	62.4mg	15%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.