In a 2 cup (or larger) measuring cup, add 1/4 water. Stir in 2 tablespoons cornstarch until dissolved.
Chocolate Silk Pie Recipe, in standard form
Notes in the Margin:
Yes, you're vision is correct. The measuring cup in the photo is an 1-cup measuring cup. After adding the eggs and vanilla in the next step, I realized it would have been much easier if I had used a 2-cup measuring cup instead.