Orchid, the quart container has 40 grams of protein. At 4 cal per gram, she said it
reduces 160 calories for the whole quart. I leave mine drain for hours and almost always get 2 cups of whey out. See my post on the 2 point WW Angel Food cake for slasher tips.
(Never mind. I'll just post the same text here)
Drain yogurt at least 3-hours ahead:
1. Open yogurt container and place a double-thickness of paper towels across the opening.
2. Turn container over a colander to drain.
3. Take a sharp knife and stab the bottom of the container, venting all your pent-up emotion for not getting to audition for Psycho or Fatal Attraction. By releasing the vacuum seal, the entire container of yogurt will slide out.
(You will be amazed each and every time you do this simple physic's experiment. Really! Well...I guess you'll be amazed if your thrill quota can be satisfied by inert yogurt.)
The yogurt reduces by approximately one-half and is thick and creamy like sour cream.
Stonyfield yogurt:
Fat-free container has 400 total calories, ending up with 240 drained. Since it is thicker but less volume, you have to make adjustments for each serving. You can still have 4 servings if you want, but they won't be 1 cup each. 4 Servings end up about 1/2 cup each for 60 calories.
Low-fat organic has 480 total calories and ends up 320 calories drained. That works out to 80 calories for 1/2 cup.