How to grind walnuts
As you all know, I like to use a wide variety of low carb flours made from nuts and seeds in my recipes. We do not have to limit ourselves with almond and coconut flour only. In fact, nuts such as hazelnuts, walnuts, pecans and peanuts make the best keto bread, cakes, cookies etc. You will be surprised that keto bread made from these nuts is way lighter, softer and fluffier than almond bread. And they are healthier too. Seeds such as sunflower, flaxseeds, black & white sesame and pumpkin seeds also make awesome keto bread; so light, soft and fluffy. For yeast versions, they are able to proof within a short period of time with incredible height and they are way cheaper and healthier, too. I started using hazelnuts, walnuts, pecans and peanuts to make keto bread about 4 years ago. Since many of you may not know about these breads, I have decided to do a remake of these recipes. I will also be using these alternative low carb flours to make more recipes. Hence, I created a new playlist on "How to grind nuts and seeds" so that whenever I use any of these alternative flours, there will be a tutorial video available for reference on how to grind them. I started off by showing you how to grind hazelnuts a week ago and now, I will show you how to grind walnuts. As walnut flour is not easily available, we have to grind it ourselves which is quite challenging as they have high fat content. As a result, the moisture makes it difficult to grind by itself and can easily turn into a paste or butter. Hence, I added some coconut flour to absorb the excess oil and make it easier to grind.
1. Use a multi grinder as it is the most effective. Seed, bean or nut grinder can work too but their capacity is quite small. A powerful food processor is a good alternative, and it has a bigger capacity.
2. Ensure that the bowl and blade of grinder are dry and cool (not hot from the dishwasher).
3. Ensure that the walnuts are at room temperature and dry. It is not necessary to roast the raw walnuts before grinding.
4. In the video, I used 180 g (1 3/4 cups) of raw walnuts and 60 g (1/2 cup) of coconut flour. This will yield 240 g of walnut meal which I will be using to make Keto Walnut Bread. Of course, you could grind any amount you require by just adjusting the ratio.
5. If you can get hold of pre ground walnuts then you don't have to do this step and, in this case, you can follow the video for Keto Hazelnut Bread recipe as it does not require coconut flour.
6. To grind the raw walnuts, place the nuts and the coconut flour in the grinder. Pulse (do not blend) 3 times for a few seconds each. Stir to mix. Then pulse another 2 times for a few seconds each and that's it. Do not over grind as it will turn into a paste or butter. That is why it is easier to control by pulsing and not blending.
7. It is totally fine if there are still some chunks as they add to the crunch.
8. Transfer the ground walnuts into a bowl and set aside.
9. If grinding in two batches, repeat the process with the balance of walnuts.
10. The texture of the ground walnuts is coarse, like "meal" texture, not flour.
11. Home grinding will not produce a fine texture as the fat content of the nuts is still intact. Commercial grinding can be super fine as the fats are squeezed out and sold as oil then the leftover "cake" is ground into powder and sold as flour.
12. You can also grind in bulk and store in the fridge or freezer for convenience.
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