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Eggs 101: What You Need to Know About Nature's Perfect Food

Eggs 101: What You Need to Know About Nature's Perfect Food

Eggs are a simple and wonderful ingredient to have in the kitchen, and can be transformed into dishes as diverse as Italian frittatas and Chinese egg foo young. They are also a staple on breakfast and brunch tables in traditional favorites or simply prepared on their own. In their cartons, chicken eggs can be white, brown, speckled, and even blue or green in the case of pullets. Within their shells, eggs are made up of a vitamin and mineral rich orange yolk, and gently cradled in a translucent mass of protein-filled albumen, commonly known now as egg white. Here is everything that you need to know about nature’s perfect food, plus a few classic recipes.

Eggs are a popular breakfast dish because of their heart-healthy Omega-3s, protein, minerals, and vitamins. An extra-large egg contains five grams of fat and six grams of protein in addition to vitamins A, B, D, calcium, iron, choline, and anti-oxidants. Eggs have 75 calories each, and if you take out the yolk, egg whites only have 16 calories of pure protein — with no cholesterol or fat. For a while, eggs were believed to increase cholesterol levels and to cause coronary heart disease. Recent studies have now proven otherwise: eating both whites and yolks will not increase blood cholesterol levels unless you have a history of high cholesterol or heart disease. Although eggs do contain cholesterol, nutritionists have proven that consuming it in foods will not significantly impact bodily cholesterol levels.

As soon as an egg is cracked into a hot pan, the egg white quickly changes. The translucent part of the egg whitens as the protein denatures, and the yolk congeals into a creamy consistency. Eat both the yolk and its white together, and you’ll have a good dose of protein, essential fats, minerals, and vitamins.

Making eggs for breakfast is fairly easy to pull off, but it takes some practice to take the flavors to a more refined level.

Classic breakfast and brunch dishes include scrambled eggs, poached eggs, fried eggs, omelettes, frittatas, and eggs Benedict. Variations on these basics can pretty much make up an entire breakfast menu. Traditional pairings for eggs include vegetables and animal proteins, like Canadian bacon in eggs Benedict and spinach in its meatless counterpart, eggs Florentine.

To make a classic eggs Benedict, layer a halved English muffin with bacon, add poached eggs on top, and pour Hollandaise sauce over the whole dish. For scrambled eggs, simply whisk eggs together in a bowl, and pour into a buttered pan. Keep breaking up the curdled eggs as they cook, or you’ll end up with an omelette.

Cooking an egg in its shell may be the simplest preparation of an egg, but the correct timing is important to know how soft a yolk will turn out. The key to cooking perfect eggs is to closely monitor cooking time, and to make sure that you’re starting with cold water for hard-cooked eggs, and with hot water for 3-minute soft-boiled eggs. The hot-water start for soft-boiled eggs is necessary so that the whites are cooked quickly without solidifying the creamy yolks within.

All eggs cooked through in their shells are actually called hard-cooked rather than hard-boiled. While the water should reach a boiling temperature, the eggs themselves should never be cooked in a rolling boil. Boiling eggs like this results in an unappetizing green ring around the yolks and an overly dry texture. The terminology was recently changed because it is a more accurate representation of the cooking method. Naming an egg hard-boiled merely differentiates it from soft-boiled eggs, and does not make reference to how the egg is cooked. A perfect way to use leftover eggs made this way is egg salad.

For a crowd-pleasing party appetizer, serve deviled eggs — a halved hard-cooked egg filled with its yolk whipped in mayonnaise, mustard, vinegar, and served sprinkled with paprika. For a summer picnic, prepare egg salad by dicing hard-cooked eggs and combine with diced celery, sliced green onion, and mayonnaise. For a classic high-tea egg salad sandwich, simply spread egg salad in between two slices of toasted cookie-cutter-shaped white bread.

Egg foo young, which means “lotus egg” in Chinese, incorporates vegetables and chopped meat folded into a well-cooked omelette. Bean sprouts, bamboo shoots, sliced cabbage, mushrooms, springs onions, and water chestnuts are popular add-ins to this Asian omelette topped with brown sauce. Frittatas are the Italian equivalent of a vegetable-filled whipped and fried omelette, much like a quiche, but without the crust.

Poached eggs are a common addition to salads, and a favorite breakfast topping on toast. They’re also cooked in water, but need to be tamed into place to make sure they don’t spread out while cooking. Adding vinegar to the almost-boiling water helps the egg congeal and maintain a uniform shape.

Coddled eggs can also be made in a pot, with the help of an egg coddler, usually taking the shape of a porcelain cup or ramekin. The egg is broken into a buttered coddler, and then placed in a pot of near-boiling water until it is gently cooked.

For sunny-side up eggs, crack an egg into an oiled non-stick pan. Do not disturb, but watch for doneness. When cooked, the egg whites should set without any transparent parts remaining. The yolk will have formed a thin layer around its edges, but will be runny when cut open with a butter knife. To make over-easy eggs, cook using the same method, but flip midway so that the yolk will have direct contact with the hot pan. For fried eggs, let the eggs cook for longer, and use more oil — the whites will begin to curl up on their edges, and will gently bubble when ready. For scrambled eggs, it’s important to whisk the eggs first to get them fluffy and to break up the yolks. Adding two tablespoons of butter to a non-stick pan, and using the right sized pan makes a key difference in keeping scrambled eggs tender and creamy.

Although chicken eggs are the most popular eggs in refrigerators, there are a number of other edible and delicious poultry eggs that vary in flavor and texture. Duck eggs are larger than hen eggs, and have a bigger yolk — for this reason they are often considered to be the creamiest. Goose and pheasant eggs have a gamier taste than chicken eggs, and quail eggs are often used as a topping in gourmet cooking. Ostrich eggs, the largest of the bird egg varieties, are equivalent to 24 normal-sized chicken eggs. These harder-to-find varieties can be found at farmer’s markets and specialty food stores and can be scrambled and eaten just like any other egg. The taste of each egg, regardless of the kind, will be greatly affected by the diets of the birds and their living conditions. For this reason, it is important to keep in mind that a cage-free organic egg will have a marked difference in taste from an egg laid by an industrially raised bird.

Eggs should always be stored in the refrigerator to keep them safe to consume. Raw eggs will keep for up to three weeks in the refrigerator, and unpeeled hard-cooked eggs can be stored safely for up to a week. To test an egg’s freshness, simply place it in a bowl of water. If it sinks, it is fresh, and if it floats, it is too old to consume. Once cracked, the smell of a spoiled egg is enough of an indication that it’s past due. To avoid contaminating a batter or egg dish, always crack individual eggs in a small bowl to check for freshness before incorporating into your dish.

Foolproof Hard-Cooked Eggs Recipe

Try this foolproof recipe for Easter or make it anytime to enjoy hard-cooked eggs.

Click here to see the Foolproof Hard-Cooked Eggs Recipe

Perfect Soft-Boiled Eggs

A simple soft-boiled egg is great on toast for an easy breakfast or snack, any time of day.

This article was originally published on April 8, 2014.

How to Make Perfect Hard-Boiled Eggs Every Time

Master this two-step hard-boiled egg method just in time for Easter.

Eggs &mdash hard-boiled, soft-boiled, scrambled, and so on &mdash are a breakfast staple. Whether you're kicking off your day with an egg breakfast, making an appetizer (we're thinking about you deviled), or you're just trying to add some protein to your salad, follow this fail-proof method. Did we mention eggs are healthy in a variety of ways too?

Our sugar free egg custard uses granulated erythritol for the sweetener, but you do have a few other keto friendly options if erythritol isn’t your favorite. The best subs we’ve found are:


Join 150,000 others to get a FREE keto food list and new recipes every week!

    – Usually this is cut half monk fruit half erythritol when you buy it online, but it still works just as well. Monk fruit alone is highly concentrated and won’t have the same ratios as another keto sweetener so check for balance if you decide to use the liquid form. A little more expensive than erythritol. It creates a smooth texture without the cooling effect like erythritol.
  • Stevia for Baking- This may have a bitter taste and is not always recommended. This would be those big bags of stevia usually bulked with maltodextrin for baking. They can also be purchased at most grocery stores.

If you want to check out even more options and how they substitute in recipes, look at our Best Sugar Substitutes post. It gives a variety of sweetener options as well as their ratios to sugar, so you know how to create the most balanced keto custard recipe possible.

How to Make Perfect, Fluffy Scrambled Eggs

The secret ingredient for perfect scrambled eggs is whisking the eggs thoroughly and vigorously before cooking them. Whisking incorporates air, which produces fluffier scrambled eggs, and fluffier eggs are the end goal. This cooking technique is a lot like the first steps in making an omelet. The difference is that you gently break up the eggs at the very end, leaving the curds larger and fluffier.

Another professional tip is to turn off the heat before the eggs are all the way cooked. This helps prevent overcooking, which is a common problem with scrambled eggs. You don't want your scrambled eggs to be brown on the bottom because that produces dry, rubbery eggs.

The most important thing to remember is that scrambled eggs continue cooking for a few moments after transferring them to the plate. This phenomenon is known as residual or "carry-over" cooking, and you want to transfer the eggs to the plate when they're slightly softer than the way you ultimately want them.

Cook eggs until they are hot all the way through

Cook eggs and foods containing eggs until they are hot all the way through:

  • Cooking eggs thoroughly kills bacteria, but bacteria can survive if food is not cooked until it’s hot all the way through.
  • The more thoroughly cooked the egg, the less likely bacteria can survive.
  • Foods containing eggs that are thoroughly cooked are generally safe. These include cakes, firm quiches and biscuits.

1. Crack, season, and whisk in a mixing bowl

Crack three fresh eggs into a medium bowl and whisk them with a good pinch of kosher salt until just incorporated. As long as you’re whisking, throw in some black pepper or cayenne pepper (or both!) if you like.

These ingredients are all you need for the best scrambled eggs. Nothing else belongs in the egg mixture—and that includes whole milk. There's a misconception among some home cooks that adding milk to scrambled eggs can yield a fluffy, creamy finished product, but it's simply not true. Adding milk will do nothing but dilute your egg mixture, thus rendering it rubbery and sad. Simply put: Don't do it.

Egg Salad Sandwich Variations

Once you get your sandwich the way you like it, it’s fun to play around with variations. Here are a few faves.

- Egg Salad with Broiled Gruyere : Broil some thinly sliced gruyere cheese onto your toast, top with the egg salad mixture, sprinkle with fried shallots, and serve open-faced. Inspired by a version I would eat on occasion at Il Cane Rosso in San Francisco.

- Curried Egg Salad Sandwich : This is so good! I think of it as a wintery version where you add curry powder, chopped apple, toasted pecans, and onion.

- Chickpea Salad Sandwich : You can use the same general idea for a vegan version. Pulse a couple of cups of cooked chickpeas in a food processor and proceed with the recipe, adding more yogurt if needed to bring the ingredients together.

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Credit Where Credit Is Due

I owe this major life transition into scrambled egg adulthood to a few peeps.

  1. Shauna Niequist who made me weak in the knees with her description of soft scrambled eggs with goat cheese in the book Bread & Wine(<- affiliate link). That’s right, I started my journey way back here.
  2. Bon Appetit, who not only wrote a nice post about soft scrambled eggs, but also shared a quick little video of it on their Instagram and made me realize that maybe I *could* like scrambled eggs after all.

Easy to Peel Hard Boiled Eggs

Fresh eggs, week old eggs, baking soda, salt, peeling under cold tap water, gadgets galore—there are dozens of internet hacks for easy hard boiled egg peeling. I tried every trick I could find to make peeling hard boiled eggs easier— cooking the eggs in plain water, salted water, soaking the eggs in ice water, adding baking soda to the water, placing a towel in the pot with the eggs, and cooling them in the refrigerator. None of these worked well, especially when compared to the magic that happened when I added vinegar to my cooking water. Vinegar works because the acid breaks down the calcium carbonate in the eggshells, which make them softer and easier to peel. The eggshells peeled off in just a few large pieces, rather than dozens of tiny shards.

Try this technique at home by adding 1 tablespoon of distilled white vinegar to about 4 cups of water. Pour the liquid in a medium-sized pot, then cook your hard boiled eggs. After the hard boiled eggs finishing cooking, carefully transfer them to a bowl filled with ice water to chill for 5 minutes. The cold water will help to further soften the shell and make for even easier egg peeling.

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