
Matzah, a flat, unleavened bread, is a staple during the Jewish Passover. It is also high in carbohydrates, with a 100g serving containing around 80.7g of total carbohydrates. On the other hand, the keto diet recommends keeping carb intake to a minimum, typically around 20-50g per day. This discrepancy poses a challenge for those who want to enjoy matzah while adhering to a keto diet. While some suggest making low-carb substitutes or reducing portion sizes, others advise against causing rigidity in observance if it compromises health. Ultimately, individuals must carefully consider their health, dietary restrictions, and personal beliefs when deciding whether to include matzah in their keto diet during Passover.
| Characteristics | Values |
|---|---|
| Carbohydrate content | High |
| Net carbs in 100g of Matzo | 77.2g-80.7g |
| Net carbs in a standard piece of Matzo (33g) | 25.5g |
| Net carbs in a machine-made square matzah | 23-27g |
| Net carbs in a round matzah | 35g |
| Daily carb intake on keto diet | 20-50g |
| Daily fat intake on keto diet | 70-75% |
| Daily protein intake on keto diet | 20% |
| Daily carb intake on keto diet | 5-10% |
| Nutritional profile | Modest 1.4g of total fats per 100g, low in saturated fats |
| Alternative | Lower-carb nut and coconut flours |
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What You'll Learn
- Matzo is high in carbohydrates, with 80.7g of net carbs per 100g serving
- The keto diet requires a low daily intake of carbohydrates, typically 20-50g
- Eating matzo on keto may knock you out of ketosis, where fat is burned for energy instead of carbs
- Passover may be the easiest holiday to follow on keto as no leavened bread is eaten
- You can eat a lower amount of matzo than required or use a low-carb substitute

Matzo is high in carbohydrates, with 80.7g of net carbs per 100g serving
Matzo is a flat, unleavened bread that is often consumed during Jewish Passover. It is also called the "bread of affliction" and is considered the symbol of liberation during the Passover feast.
Matzo is high in carbohydrates, with 80.7 g of net carbs per 100 g serving. This is significantly higher than the recommended carb intake for those on a keto diet, which is typically limited to just 5-10% of daily caloric intake, or around 20-50 g of carbs per day.
The high carbohydrate content in matzo makes it challenging to incorporate into a strict ketogenic diet, as the primary goal of this diet is to keep carb intake to a minimum to maintain ketosis, a metabolic state where fat is burned for energy instead of carbohydrates. Even a small portion of matzo could potentially knock someone out of ketosis.
However, some people observing Passover while on a keto diet may choose to eat a small amount of matzo to fulfil the meal's requirements or for the spiritual experience it represents. For those with health issues or dietary restrictions, rabbis advise that it is acceptable to eat less than the stated minimum amount of matzo, which is about the size of an olive.
There are also recipes for low-carb matzo alternatives made with nut and coconut flours for those who want to avoid the high carb content of traditional matzo while still participating in the Passover tradition.
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The keto diet requires a low daily intake of carbohydrates, typically 20-50g
The keto diet is a low-carb, high-fat diet that causes weight loss and provides numerous health benefits. It involves drastically reducing carbohydrate intake and replacing it with fat. Typically, the keto diet requires a low daily intake of carbohydrates, ranging from 20 to 50 grams. This reduction in carbs puts the body into a metabolic state called ketosis, where fat is burned for energy instead of carbohydrates. Ketosis is achieved when the body's supply of glucose, derived from carbohydrates, is limited, prompting the body to utilise fat as its primary energy source.
Matzo, a flat, unleavened bread often consumed during Jewish Passover, presents a challenge for those adhering to a strict ketogenic diet due to its high carbohydrate content. A standard 100-gram serving of Matzo contains approximately 80.7 grams of net carbs, which is significantly higher than the recommended daily carb limit on a keto diet. Even a small portion of Matzo could potentially exceed the daily carb allowance and disrupt ketosis.
However, it is important to note that the keto diet allows for flexibility and individualisation. While strict keto guidelines recommend a daily carb intake of 20 to 50 grams, some variations of the keto diet allow for a higher threshold. For example, a less restrictive definition of a low-carb diet classifies it as having less than 26% carbohydrates, which equates to less than 130 grams of carbohydrates per day. This broader category of low-carb diets includes approaches such as Paleo, South Beach, and Dukan, which are moderate in fat content.
Additionally, the keto diet is not solely focused on carbohydrate restriction. It also emphasises the importance of consuming adequate amounts of healthy fats and moderate portions of protein. This balance ensures that the body receives sufficient energy and nutrients while promoting ketosis. Therefore, while Matzo may not align with the strictest interpretation of the keto diet due to its high carb content, it could potentially be incorporated in small portions or as part of a less stringent low-carb diet plan.
Furthermore, special occasions and holidays, such as Passover, can be challenging when adhering to a keto diet. However, Passover may be one of the easier holidays to navigate due to the exclusion of leavened bread and other carb-heavy foods. A small piece of Matzo can be included as part of a keto-friendly meal consisting of chicken, meat, or vegetables, resembling the traditional Passover fare. By calculating portion sizes and adjusting the overall meal composition, it is possible to enjoy a piece of Matzo while still adhering to the keto diet guidelines.
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Eating matzo on keto may knock you out of ketosis, where fat is burned for energy instead of carbs
The keto diet is a high-fat, low-carbohydrate diet that aims to push the body into a metabolic state called ketosis, where fat, instead of carbohydrates, is burned for energy. In a standard keto diet, carbohydrates are typically limited to just 5-10% of daily caloric intake, which equates to 20-50 grams of carbs per day.
Matzo, a flat, unleavened bread, is a staple food during the Jewish holiday of Passover. However, it has a very high carbohydrate content. A single 100-gram serving of Matzo contains 80.7 grams of total carbohydrates, resulting in 77.2 grams of net carbs (total carbs minus fibre content). This means that a standard piece of Matzo, weighing around 33 grams, would contain approximately 25.5 grams of net carbs.
Given the high net carbohydrate content of Matzo, incorporating it into a strict ketogenic diet can be challenging. A single piece of Matzo can quickly use up or exceed the recommended daily carb allowance on a keto diet. Even a small portion of Matzo could potentially knock you out of ketosis, where fat is burned for energy instead of carbs.
However, some people observing Passover while on a keto diet may still choose to consume small amounts of Matzo for symbolic or religious reasons. In these cases, it is recommended to calculate the quantities carefully to fit within the individual's dietary plan and ensure that additional fats are included in the meal to meet the ketogenic ratio. For those who are uncomfortable with consuming Matzo, alternatives such as lower-carb nut and coconut flour options are also available.
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Passover may be the easiest holiday to follow on keto as no leavened bread is eaten
Passover may be the easiest holiday to follow on keto, as no leavened bread is eaten. However, there are still some challenges to staying keto-compliant during Passover, especially with the obligatory consumption of matzah and wine.
Matzah is a flat, unleavened bread eaten during Passover, and it is typically made from wheat, barley, spelt, rye, or oat flour. A 100g serving of matzah contains around 80.7g of total carbohydrates, with a net carb content of around 77.2g. This is significantly high compared to the recommended daily carb intake of 20-50g on a keto diet. Even a small piece of matzah, typically weighing around 33g, can contain approximately 25.5g of net carbs. Therefore, eating matzah can quickly exceed your daily carb allowance and knock you out of ketosis.
However, there are some ways to mitigate this. Firstly, you can choose to eat a lower amount than the stated minimum, as advised by several rabbis. At the three periods during the seder where eating matzah is obligatory, you can eat just 1/4 of a flat matzah or 1/6 of a round matzah. Secondly, you can make your own matzah using predominantly lower-carb flour alternatives, such as nut and coconut flours. This allows you to symbolically partake in the seder without consuming too many carbs.
Wine is another important component of the Passover seder, and traditionally, four cups of wine are consumed during the meal. While wine itself contains carbs, dry red wine has fewer carbs than sweet varieties or grape juice. Additionally, Jewish law allows for the dilution of wine, as long as the mixture still contains 4% alcohol.
Overall, while Passover may be easier than other holidays for those on a keto diet due to the absence of leavened bread, staying keto-compliant during Passover requires careful planning and consideration of portion sizes, alternative ingredients, and rabbi-approved adjustments.
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You can eat a lower amount of matzo than required or use a low-carb substitute
Matzo is a flat, unleavened bread that is often consumed during Jewish Passover. It has a very high carbohydrate content, with a 100g serving of Matzo containing 80.7g of net carbs. This is a significant amount, especially considering that a ketogenic diet requires carb intake to be minimal, typically around 20-50g per day.
If you are following a ketogenic diet and want to include Matzo in your meals, there are a couple of options to consider:
Firstly, you can choose to eat a lower amount of Matzo than what is traditionally required. According to Jewish law, there are three times during the Seder when eating Matzo is obligatory. However, the minimum amount one may eat to fulfill this obligation is called "kezayit", which translates to the size of an olive. This concession allows individuals with health issues or dietary restrictions, such as those on a ketogenic diet, to participate in the tradition without compromising their dietary needs.
Alternatively, you can opt for low-carb substitutes to symbolically partake in the Seder without fulfilling the meal's requirements. For example, you can use lower-carb nut and coconut flours to make your own Matzo. This allows you to still enjoy the experience and tradition of consuming Matzo while adhering to your dietary restrictions.
It is important to remember that the primary goal of a ketogenic diet is to keep carb intake to a minimum to maintain ketosis, a metabolic state where fat is burned for energy instead of carbohydrates. Therefore, carefully managing portion sizes and opting for low-carb alternatives can help you include Matzo in your diet while still maintaining your dietary goals.
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Frequently asked questions
Eating matzah on the keto diet is challenging due to its high carbohydrate content. A 100g serving of matzah contains 80.7g of net carbs, which is well above the recommended daily carb intake of 20-50g on a keto diet.
Matzah is a flat, unleavened bread that is traditionally eaten during Jewish Passover.
The rabbis teach that there are three times during the Seder when eating matzah is obligatory. However, if you are concerned about exceeding your daily carb limit, you can eat less than the stated minimum. At the three obligatory periods during the Seder, you can eat just 1/4 of a flat matzah or 1/6 of a round matzah.
Yes, if you want to avoid matzah, you can use lower-carb nut and coconut flours as an alternative.











































