Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make a healthy omelet [title] Consider the nutritional value of egg yolks. [step] Though whole eggs contain a bit more protein than egg whites, their relative value comes from nutrients and vitamins that are plentiful in the egg yolk. For instance, even a small raw egg contains meaningful amounts of iron, phosphorus, zinc, and folate.

Ending1: [substeps] Raw eggs contain somewhat higher calories, selenium, iron, calcium, and protein content than egg whites. Some people feel that a higher raw egg yolk means a healthier meal. Ending2: Further, yolks also contain good vitamins a and d, as well as a bunch of choline, lutein, and zeaxanthin, all of which your body needs. [title] Substitute egg whites to limit cholesterol. Ending3: Instead of going for egg yolks rich in all of these nutrients, substitute them with higher fat meals like scrambled eggs. [substeps] For instance, if you're making a pg egg casserole, you may only need two servings. Ending4: Whole egg yolks are not only the healthiest, although they are the freshest. Strive to get either whole or partially whole eggs.

Answer format: ending1/ending2/ending3/ending4