Ingredients

4 Oz. Semisweet Chocolate
2 Tbs Unsalted Butter, room temp
3 Eggs, separated
1/2 Tsp Cream of Tartar
5 Tbs Powdered Sugar
1/2 Cup Heavy Whipping Cream
1/2 Tsp Vanilla Extract

Steps

Microwave chocolate and butter for 15 second intervals until melted, stirring between intervals.
Temper egg yolks into mixture.
Whisk egg whites until foamy.
Whisk cream of tartar into egg whites.
Whisk 2 1/2 Tbs of [...]

Ingredients

9″ Pastry Pie Shell, baked
1/3 Cup Cornstarch
1 1/2 Cups White Sugar
1/4 Tsp Salt
1 1/2 Cups Water
3 Eggs, separated
2 Tbs Butter
1 Tsp Lemon Zest, optional
1/2 Cup Lemon Juice
1/2 Tsp Cream of Tartar
5 Tbs Powdered Sugar

Steps

Blend cornstarch, white sugar, and salt in a pot.
Stir in water until dissolved.
Cook over medium heat until thick and clear (10 minutes), [...]

This is when you want to mix egg yolks into a hot mixture. You have to do it a special way so you don’t get clumps of scrambled eggs. This also requires separating the egg yolk from the egg white.
Note: This must be done quickly!
Steps

Mix vigorously 1/4 cup of hot mixture to the egg yolks.
Repeat [...]