Thursday, 12 December 2019 11:12

The Absolute Best Way to Fry an Egg, According to 42 Tests

In Absolute Best Tests, Ella Quittner destroys the sanctity of her home kitchen in the name of the truth. She's seared more Porterhouse steaks than she cares to recall, tasted enough stuffing for 10 Thanksgivings, and mashed so many potatoes she may never mash one again. Today, she tackles fried eggs.

"The egg is one of the kitchen’s marvels, and one of nature’s," writes prolific food scientist Harold McGee in On Food and Cooking, his 800-page opus on, obviously, food and cooking. Fifty-plus pages are dedicated to the humble egg, which is mentioned upwards of 1,000 times.

"The egg is one of the kitchen’s marvels, and one of nature’s," I hissed at my mother the other morning, when I caught her frying one without any fat, in an old stainless-steel pan.

"Look away!" she shrieked, contorting her body to block the stovetop.

In my family, there are more “best ways to fry an egg” than there are members. There's my mom's stainless-steel racket. And there's my older sister, who mainly fries eggs to feed to her dachshund Bun—she swears by a small nonstick skillet with a splash of neutral oil. (Olive oil makes Bun cough.) My dad’s a cast iron and butter man, through and through. One of my grandmothers was known to employ only a microwave.

We’re not the only ones who can’t agree on the best way to fry an egg, apparently. Google it, and you’ll find ambiguity even among the top results. Some call for butter, and others olive oil or bacon fat. There are fried eggs pictured with lacy edges, and others, framed by silky whites that taper off without so much as gentle browning. Martha Stewart would have you steam your cracked egg in the style of Lucinda Scala Quinn’s Mad Hungry, while Bon Appétit suggests enough olive oil to cover the bottom of a nonstick pan for fried eggs that come out “perfectly, every time.” At Food52, we’ve written about cracking an egg into a cold pan, cooking them in heavy cream, and even baking fried eggs.

So, like any great marvel of the kitchen and nature, I thought it deserved the ABT treatment. Accordingly, I fried 42 eggs in nine different cooking fats and five pan types, to try to arrive at the truth: What is the absolute best way to fry an egg?

Control Factors
An egg is but an albumen—alternating layers of protein and water, making up the "white"—and a yolk. In 1868's Eggs, and How to Use Them, chef Adolphe Meyer describes two main ways to coagulate those classes of matter such that they can be considered fried: the "French method," wherein an egg is submerged in a half pint of hot fat, and the "second method," where eggs are broken into a hot frying pan with an ounce of fat. This series of tests falls under the "second method" umbrella, the shallow fry.

 

In the first phase of trials, several tablespoons of each of nine cooking fats was used to coat the bottom of a nonstick pan, heated over a medium-high flame. Three eggs were fried in each cooking fat, over a medium flame, while the whites were spoon-basted with the hot fat until they set. (Exceptions: the eggs cooked in cream, and the butter-water fellows—more on each of those in a bit.)

During phase two, three eggs were fried in each of five pan types, again using a medium-high flame to heat the pan and fat, and a medium flame to fry the egg. Based on the results of phase one, olive oil was used as the sole cooking fat across all pan types. Accordingly, Bun was not consulted as a taste-tester.

During both phases, every egg was cracked into its own small receptacle before making its way, gently, into the hot fat, so as to avoid broken yolks (a major bummer), and each one received a single pinch of salt across its surface before submitting itself to tasting and analysis.

Phase I: Cooking Fats

There are as many cooking fats in which an egg can be fried as there are pun-opportunities about the social life of someone with time to fry 42 eggs (must be a total yolk!). I tested nine. They were:

Canola oil
Butter
Browned butter
Butter and water (per this Martha Stewart–touted method, where you start with butter and then add water to steam)
Cream
Olive oil
Butter and olive oil
Bacon fat
Coconut oil (refined)

The Unbearable Kindness Of Warehouse Beef Stew
Here's how it went.

Canola oil: The canola-oil egg sort of balled itself up as it cooked, as if it were being deep-fried. It was disappointing from a flavor perspective, though surprisingly efficient from a browned-edge perspective."Crispy, but at what cost?" read my greasy notes. Use canola oil if you're out of more flavorful oils and are jonesing for diner-esque edges.

Butter: These eggs had absolutely no issues with clinging to the surface of the nonstick pan. They slipped-'n'-slid around, barely garnering color around their edges, and achieving very little under-crisp compared to other trials. The whites of these eggs spread, resulting in a thin final product with a wide diameter. The flavor was, of course, excellent (see: butter generally). Use butter if egg whites sticking to the frying pan is your white whale.

Browned butter: Browned butter eggs, it turns out, are a lot like the butter-fried eggs...with more browning. And a nuttier flavor, which deserves its own sentence. As always when working with browned butter, these were finicky to time, so I would only recommend them to someone who can give egg frying some undivided attention.

Butter and water: This aforementioned method (touted by Martha Stewart) produced "fried" eggs with a crispiness factor of exactly zero. But—and this is an important but—they were a textural wonder, with whites like an omelet and yolks just perfectly thick and runny. If you're not into a crispy little guy, this method could be for you.

Caramelized Cream Eggs From Ideas In Food
Cream: Speaking of textural wonders! Have you ever wished your fried eggs were essentially the best pudding you've ever had? If so, cook them in cream, and do not share them with anyone. This certified-Genius technique has you add said heavy cream to a cold pan along with the eggs—nuts, right?—before turning the flame to medium-high. The cream caramelizes, you lose track of where its butterfats end and the egg whites begin, and everything is so delicious it makes you forget all deep existential concerns.

Olive oil: The olive oil–fried eggs had the crispiest edges of the bunch, besides the flavorless canolas and the bacon-fat eggs. Importantly, olive oil also produced nice browning on the underside of the white, which spread less than when fried in butter. Olive oil makes for an excellent everyday fried egg, through and through.

Butter and olive oil: These eggs tasted better than they looked, thanks to a doubling down on delicious fats. But in a nonstick, they didn't crisp nearly as much as the oil-only batches, or the bacon-fat eggs. (My initial thesis for this test—that olive oil would raise butter's smoke point—proved both irrelevant, since I was frying all eggs over the same heat and it didn't cause the butter to smoke in the solo-butter tests, and also untrue, according to J. Kenji López-Alt over at Serious Eats.) If you're looking for extra flavor and don't care much about crispness, these are calling your name.

Bacon fat: Moment of silence for bacon fat. I hate to say it because of the health and planet implications, but bacon fat–fried eggs are perfect in every way. The whites fluff up around the yolk, the edges turn lacy and crisp, and the overall flavor is spot-on. Bacon fat could be the fried-egg method for you if you already keep a supply in your fridge.

Coconut oil (refined): The coconut oil–fried eggs were a sleeper hit. While refined coconut oil doesn't have a coconut-y flavor, it still brought something savory to the party. (The party being me eating 42 eggs alone in pajamas.) The edges and underside of the white became moderately crispy, and there were no issues with sticking—though in some tests, the whites began to stream out like ribbons and had to be coaxed into place with a silicone spatula. If you're not married to a butter or olive-oil or bacon-fat flavor, consider adding coconut oil–fried eggs to your rotation.

Phase II: Pan Type

In phase two, I used olive oil for all tests, and fried three eggs each in pans made of:

1. Stainless steel
2. Nonstick
3. Cast iron
4. Carbon steel
5. Nonstick, with a fitted lid

It was a wild ride. More specifically:

Stainless steel: I found these tests to be so upsetting that I considered scrapping phase two, until the carbon steel sweet-talked me into resuming my mission. Frying eggs in a stainless-steel pan, no matter how great, is like throwing super glue at a velvet wall and then trying to peel it back off in one piece. Would not recommend. (According to a blog I found through angry searching on this topic, you can minimize sticking by letting your eggs come to room temperature first—that is, if you're the sort of organized person who sees a dentist every six months and remembers to defrost poultry well in advance of a dinner party—and fussing with the flame and pan angle.)

Nonstick: Thanks to phase one, I suspected the nonstick pan would produce crispy, drama-free specimens, and produce it did! When it comes to fried eggs, this pan shines.

Cast iron: My cast iron–fried eggs were delicious, with great crispiness. Despite my skillet's top-notch seasoning, I did need to get in there a bit with a silicone spatula to avoid sticking in a few spots, and if I were especially concerned about breaking my yolks through unnecessary jostling, I might avoid cast iron. But for everyone else (hi, Dad), this is a solid option.

Carbon steel: The carbon steel batch of fried eggs was surprisingly easy to work with, thanks (again!) to top-notch pan seasoning. They didn't get quite as crisp at the same temperature as the nonstick and cast iron, but there was a lot of potential.

Nonstick, with a fitted lid: I once had a roommate whose boyfriend would crack five eggs into a large nonstick pan, cover it with a fitted lid, walk away, and two minutes later, return to slide perfectly fried eggs onto his plate for breakfast. In his memory, I had to give this method a try. The result? Three slippery, oily fellows! Crisp nowhere to be found. I can't totally see the utility here, unless you hate a crispy fried egg and also don't eat butter.

(Food 52)

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