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Egg Yolk coffee is a delicious beverage that is easy to make, nutrient-dense and provides a sustained energy boost.

When I first heard about this variation of regular coffee, I was very skeptical. The combination of coffee, raw egg yolk, sugar and collagen powder did not sound like an enticing combination. However, I used to love bulletproof coffee in the past, and so I was willing to give this morning coffee recipe a try. What further piqued my interest were some of the health benefits of this particular combination of ingredients. As someone who can be pretty sensitive to caffeine, but enjoys drinking freshly brewed coffee nonetheless, I was eager to see how egg yolk coffee would make me feel.

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​Why You’ll Love This Recipe

• Egg yolk coffee is very tasty. If you enjoy something a little more extra than a regular cup of black coffee, you’ll love the smooth taste.
• Adding egg yolk, sugar and collagen to coffee makes it is more nutritionally dense than other coffee recipes
• Your hormones will thank you! Enjoying caffeine alongside fats (egg yolk) and protein (collagen) helps your hormones to stay balanced and avoid hormonal spikes
• You can make it your own. You can make simple adjustments to this recipe to reach your desired texture and flavor 

Why the Egg Yolk, Sugar, Collagen and Coffee Combination?

Adding these ingredients to your coffee offers many benefits. I first became interested in this recipe as a way to increase nutrient intake in the morning, as well as keep my hormones balanced for the rest of the day. Consuming caffeine together with fat and protein helps your body metabolize caffeine more efficiently and prevents spikes in blood sugar as well as stress hormones. 

However, there are other benefits to consider too:

1. Egg Yolk:
   • Nutrient Dense: Egg yolks are packed with essential nutrients like vitamins A, D, E, and K, as well as choline, phosphorus, and selenium.
   • Protein: Egg yolks contain high-quality protein, which is essential for muscle repair and growth.
   • Choline: Choline in egg yolks is crucial for brain health and also improves memory and cognitive function.
2. Sugar:
   • Quick Energy: Sugar provides a quick source of energy, which can be beneficial for a pre-workout drink or to combat fatigue.
   • Blood Sugar Regulation: Consuming sugar alongside caffeine helps regulate blood sugar levels, preventing drastic spikes or crashes that can occur when consuming caffeine alone.
3. Collagen Powder:
   • Skin Health: Collagen is the main structural protein in the skin, and consuming collagen powder helps improve skin elasticity and hydration.
   • Joint Health: Collagen supplementation helps reduce joint pain and stiffness.
   • Bone Health: Collagen is a component of bones, and supplementing with collagen supports bone density and strength.

Ingredients

• fresh egg
• 1 teaspoon of sugar 
• 1 serving of collagen
• your favorite cup of coffee

Tools

• Coffee maker or French press 
• Milk frother (if your coffee machine doesn’t have one built-in)

Instructions 

1. Separate egg yolk from egg white using the eggshell as a small bowl. 
2. Place the egg yolk in a large coffee cup. Add 1 tsp sugar and blend using a small spoon or small whisk
3. Add 1 serving of collagen powder. Continue whisking with your spoon until you create a silky smooth texture without any lumps. 
4. Steam milk and pour over the egg yolk mixture. Stir together until everything is well incorporated and your milk froth turns slightly yellow. 
5. Add a shot of expresso or your preferred coffee brew
6. Stir one more time to incorporate and enjoy!

FAQ

1. How do I separate the egg yolk from the egg white?
   • Separating the egg yolk from the egg white can be done by cracking the egg open and carefully transferring the yolk back and forth between the shell halves, allowing the egg white to drip away. 
2. Do I need to cook the egg yolk before adding it to the coffee?
   • No, the egg yolk is added raw.
3. Is it dangerous to consume raw egg yolk? 
   • Always use raw eggs from a reputable, local source. Farm-fresh eggs are the best. If they’re from your own chickens – even better! Alternatively, pasteurized eggs are an option, even though I have never tried those. 
4. What type of coffee is best for egg yolk coffee?
   • Any type of coffee can be used for egg yolk coffee, but many people prefer strong coffee flavors to balance the richness of the egg yolk. Shot of espresso or dark roast coffee is commonly used, but you can use your favorite coffee beans or brew method according to your taste preferences.
5. Can I use substitutes for sugar or collagen powder?
   • Yes, you can customize the recipe according to your preferences or dietary restrictions. You can substitute sugar with alternative sweeteners like honey or maple syrup. Similarly, collagen powder can be substituted with other protein powders or omitted altogether. Just note that the texture will be a little different. 
6. Does egg yolk coffee taste eggy?
   • The egg yolk adds a creamy and rich texture to the coffee without imparting a strong eggy flavor. The sweetness from sugar and the richness from collagen powder can further mask any potential eggy taste, resulting in a smooth and flavorful beverage. 

Tips

Whisk Well

Make sure to whisk the egg yolk, sugar and collagen together well. Keep going until you reach a very creamy consistency. This will ensure a smooth texture and complete incorporation with your coffee

Separate the Egg Yolk Carefully

When separating the egg yolk from the egg white, do it carefully to avoid breaking the yolk. You can use the eggshell halves or an egg separator tool to gently transfer the yolk back and forth until the egg white has separated.

Save egg whites for later use

I always keep mine in a container in the fridge, and add to our scrambled eggs once every few days. 

Use your favorite coffee

You can use any type of coffee brew that you like, from espresso, to instant coffee. If using cold brew coffee, make sure to pour warm milk over the egg yolk mixture first, or use hot cofee first and ice after. 

Adjust the amount of sugar based on your preferences. 

You can also use honey or maple syrup as a variation. Note that the texture may be a little different.

Experiment with Flavors

Get creative and experiment with unique flavors and variations. You can add a dash of vanilla extract, cinnamon, or nutmeg for extra flavor. You can also try using flavored coffee syrups or extracts to customize the taste according to your preferences. Using condensed milk instead of fresh milk will make it taste more like Vietnamese coffee

Use unflavored collagen

For best results, use unflavored collagen to avoid clashing of flavors and to keep the ingredients as clean as possible.

Storage

Serve Immediately: Egg yolk coffee is best enjoyed fresh and hot. Serve it immediately after preparation to savor the rich flavors and creamy texture.

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