Heat oil in a medium skillet over medium-high heat. Add shrimp and cook for 2 minutes on first side, and 1 minute on second side or until pink and opaque through. Transfer shrimp to a plate.

The natural lecithin in egg yolks emulsifies ingredients. For yellow cake, egg yolks also add a deep yellow color. Eggs contribute to the volume of a cake, too.

Add 2 cups of the water or shrimp stock to the roux mixture, and stir to blend well. Then add the remaining 6 cups water or stock and blend again. Cover the pot and reduce the heat to medium-low.

To buy: 6 large yellow tomatoes (about 2 1/2 pounds), 1 Vidalia or red onion, 1 cucumber, 10 ounces cooked shrimp, bottle balsamic vinegar, 1 carton nonfat, plain yogurt, 1 bunch scallions, 1 loaf ...

A look at egg yolk, the yellow part of the egg. Included is detail on the benefits of eating the yolks, as well as how they compare to the whites.