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I don’t remember how I stumbled upon lupin flour but I’m sure glad I did. This lupin flour bread is divine and the carbs per slices are so tiny, you can honestly go to town with it.

Lupin flour bread

Lupin, if you’re not familiar just like I wasn’t, is a bean popular in the Mediterranean. Most beans have a high carb count and aren’t keto-friendly but this spiffy little bean is mostly fiber so 1/4 cup of lupin flour has a grand total of 1 net carb. This recipe uses just shy of one cup to make a loaf of 12 generous slices so imagine what the carb count per slice is!

Well, no need to imagine, the nutrition facts are below.

But before we get into all that, I want to talk more about why this is my favorite keto bread recipe that I’ve ever tried. I mean, just look how soft and crumbly it is.

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Lupin Flour Keto Bread

I’ve made quite a few types of keto bread with different ingredients. In fact, I still keep my Pumpkin Chia Seed Bread in heavy rotation because it’s so delightful.

The problem with most keto-friendly bread is that they’re usually very dense and eggy in taste. I even call my coconut flour bread an egg loaf because really that’s what it is.

This low carb bread is the first bread my little one has ever liked! It’s the perfect texture. Light and fluffy when warm and delicately sweet in this version, perfect with a pat of butter and your coffee or tea in the morning.

It does harden up a bit as it cools, but not as much as bread made with nut flours. Since it is a keto bread, I keep in in the fridge anyway. Once I warm a slice in a saucepan with some butter or toast it up, it goes back to light, soft, and absolutely delicious. This recipe does use 6 eggs and you have to try it for yourself to believe me when I tell you that this bread is not eggy at all.

I also made lupin flour waffles which were just delightful. I can see that lupin flour will quickly become a staple in my keto pantry. The next recipe on my list is lupin flour pancakes and lupin flour crackers!

If you’re just starting the keto diet, a food journal specifically for keto like this one can help you to stay on track. Track your meals, macros, mood, fasting times and movement daily to spot helpful and harmful patterns that help you achieve your weight loss and health goals.

lupin flour bread slices

Almost Zero Carb Bread

So let’s talk about the ingredients in this recipe and why I call it an almost zero carb bread. In this recipe I use:

  • 6 eggs, separated
  • 1 tsp vanilla extract
  • 36g butter, melted (2.5 tbsp)
  • 112g lupin flour (just shy of a cup)
  • 1/3 cup erythritol
  • 2 tsp baking powder
  • 1/2 tsp pink salt
  • 1/4 tsp cinnamon
  • 1/4 tsp cream of tartar

I’m using a 9×5 loaf pan, which is a little large for these keto breads so the slices come out pretty wide and low. You may want to use an 8×4 loaf pan for a taller, slimmer bread.

Anyway, my loaf results in about 12 slices, and each slice with the above ingredients comes out at 4.4 total carbs. Of those carbs, 3.5g of that is fiber and another .5g is sugar, which is likely from the erythritol. If you take those out, you’re left with .4g of net carbs. So enjoying two slices with your breakfast still comes out less than a gram of net carb for such delicious bread.

This is an absolute win for me. I had cut back on the amount of keto bread and mug cakes I ate because the carbs in coconut flour and almond flour definitely adds up but lupin flour is here to save the day. Each slice also provides 6.5g of protein which is great for retaining muscle mass while you lose weight.

New to the keto diet? Start here! This will help you to figure out how to stick to this diet and make it a lifestyle for you.

You’ll notice that I gave gram counts for some of the ingredients. I highly suggest getting yourself a kitchen scale especially if you bake a lot because baking is an art but also an exact science. Throwing off the ingredients by trying to measure in cups and spoons instead of exact grams can yield different and sometimes unpleasant results than what’s described here.

You might notice some yellow specs in my my slices. This might be because I did not whip the egg yolks before I included them in the rest of the recipe, so I made sure to include that in the instructions below.

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Lupin Flour Bread

Lupin flour Bread

Yield: 12 slices
Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes

A deliciously light and sweet keto bread that's not eggy at all and only 0.4g net carbs per slice!

Ingredients

  • 6 eggs, separated
  • 1 tsp vanilla extract
  • 36g butter, melted (2.5 tbsp)
  • 112g lupin flour (just shy of a cup)
  • 1/3 cup erythritol
  • 2 tsp baking powder
  • 1/2 tsp pink salt
  • 1/4 tsp cinnamon
  • 1/4 tsp cream of tartar

Instructions

Preheat the oven to 180c/350f. Prepare a loaf pan with parchment paper or grease with butter. In a large bowl, mix lupin flour, erythritol, baking powder and cinnamon. In another large bowl, add the cream of tartar to the egg whites and whisk into firm peaks.

Add the butter, egg yolks and vanilla to the dry ingredients. Add 1/3 of the egg whites. Mix until well combined. Add another 1/3 of egg whites and mix, then add final third being careful not to over mix. Pour the batter into the prepared loaf pan and place in oven for 30 minutes or until golden brown on top. It should have risen and a knife inserted into the middle will come out clean.

Remove and leave to cool in the pan for 10 minutes. Then remove from the pan and cool completely on a wire rack.

Slice into 12 and enjoy!

Nutrition Information:
Yield: 12
Amount Per Serving: Calories: 64

If you’re lost and not sure how to get started with the keto diet, this meal plan is for you. It’s a fool-proof guide to winning at the high-fat, low-carb lifestyle.

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I love having keto snacks at the ready. Try my favorite keto chocolate bars, bone broth and protein powders here. Use code ONANDOFFKETO for 10% off your order!

Looking for a more complete guide to start or stick to the keto diet? My Ketogenic Diet 101 eBook is a complete, all-in-one resource for the ketogenic diet. This book includes all the need-to-know info about the keto diet, how it affects lifestyle diseases like diabetes, obesity, and high blood pressure plus over 45 recipes, checklists, and grocery list to get you started. Want the grocery list, quick start guide, and 7-day meal plan for free? Get it below.

Lupin Flour Bread
Lupin flour bread
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