Kale, Sweet Potato, and Onion Frittata BUZZFEED

First, prep the sweet potato, onion, and kale.

First, prep the sweet potato, onion, and kale.

Lauren Zaser / BuzzFeed

To separate the eggs from the white, you can use the eggshells, like this:

To separate the eggs from the white, you can use the eggshells, like this:

Lauren Zaser / BuzzFeed

The egg whites should be in a large mixing bowl, and the yolks should be in a smaller mixing bowl.

The egg whites should be in a large mixing bowl, and the yolks should be in a smaller mixing bowl.

Lauren Zaser / BuzzFeed

Thoroughly whisk the eggs whites, until they hold stiff peaks.

Lauren Zaser / BuzzFeed

Lauren Zaser / BuzzFeed

Lauren Zaser / BuzzFeed

In less fancypants terms, “stiff peaks” means that when you pick up the whisk, the egg whites make a peak and stay there, as opposed to “soft peaks,” where the egg whites make a peak for a second and then fall down.

Pour in the egg yolks and whisk very gently just to combine everything, then set it aside in the fridge.

Pour in the egg yolks and whisk very gently just to combine everything, then set it aside in the fridge.

Lauren Zaser / BuzzFeed

Put the sweet potatoes in a large, nonstick skillet. Add a cup of water, bring it to a boil, then reduce the heat to a simmer and cook until the sweet potatoes are soft on the outside and there’s no water left.

Put the sweet potatoes in a large, nonstick skillet. Add a cup of water, bring it to a boil, then reduce the heat to a simmer and cook until the sweet potatoes are soft on the outside and there's no water left.

Lauren Zaser / BuzzFeed

It should take about 8 minutes for all that water to evaporate.

Add olive oil, onion, and salt and pepper, and cook until the onion starts to soften.

Add olive oil, onion, and salt and pepper, and cook until the onion starts to soften.

Lauren Zaser / BuzzFeed

It’ll take about a minute, stirring often.

Add the kale and cook until it’s dark green and a little soft, then spread the vegetables out and pour the egg mixture in an even layer on top.

Lauren Zaser / BuzzFeed

Lauren Zaser / BuzzFeed

Lauren Zaser / BuzzFeed

Cook the frittata until it’s puffed up and set, but still a little jiggly in the middle. It should take 5 to 6 minutes at 450°F. Let it cool for 5 minutes, then flip the frittata onto a cutting board and cut it into 4 pieces.

Cook the frittata until it's puffed up and set, but still a little jiggly in the middle. It should take 5 to 6 minutes at 450°F. Let it cool for 5 minutes, then flip the frittata onto a cutting board and cut it into 4 pieces.

Lauren Zaser / BuzzFeed

Serve half the frittata with half a blood orange.

Serve half the frittata with half a blood orange.

Lauren Zaser / BuzzFeed

Let the other half cool completely, then store it in an airtight container in the fridge for tomorrow’s lunch.

Let the other half cool completely, then store it in an airtight container in the fridge for tomorrow's lunch.

Lauren Zaser / BuzzFeed

Need an even more in-depth step-by-step? Watch the video!

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