Eat the bread. Right here’s why…
Bread usually will get a nasty rap, blamed for blood sugar spikes, cussed weight achieve, and common carb overload. However right here’s the excellent news: not all bread is created equal, and the way you retailer it will possibly make a shocking distinction. That sourdough loaf in your freezer? It might be more healthy than a freshly baked slice.
The key lies in one thing referred to as resistant starch—and sure, freezing and toasting your bread may also help increase it.
What Is Resistant Starch, Anyway?
Resistant starch is a kind of carbohydrate that resists digestion within the small gut. As an alternative of shortly breaking down into glucose (sugar), it travels to the massive gut, the place it ferments and feeds your helpful intestine micro organism. That fermentation course of delivers a handful of highly effective well being advantages, together with:
- Improved insulin sensitivity
- Lowered blood sugar response after meals
- Assist for a various and thriving intestine microbiome
Consider resistant starch as a slow-burning carb that helps your metabolism and intestine moderately than a fast-burning sugar bomb.
How Freezing (and Reheating) Will increase Resistant Starch


Registered Dietitian at MyHealthTeam, Avery Zenker, explains, “The rise in resistant starch content material of cooling or freezing bread is as a result of means of retrogradation. When starches like wheat flour are cooked with moisture, they gelatinize and turn into extra digestible. When starches are cooled after cooking, a course of referred to as retrogradation begins. Throughout retrogradation, among the starches realign and type crystalline buildings which might be tougher for the physique to digest and take in. The starches are proof against digestion, therefore the title, “resistant starch”. As a result of much less of the carbohydrates within the bread are absorbed, the impression on blood sugar is decreased, successfully enhancing the glycemic impact of the bread.”
Following the retrogradation course of, toasting or reheating your bread then maximizes these glycemic results. That reheated slice finally ends up with extra resistant starch—and a decrease glycemic impression—than when it was freshly baked. Which means that, on account of this course of, freezing and toasting bread slows down how shortly your physique turns it into sugar.
So when you’ve been skipping toast to maintain your blood sugar regular, you would possibly need to convey it again, with a couple of inventive tweaks.
Why Sourdough Is Its Personal Recreation Changer
Whereas a number of varieties of bread present starch-resistant advantages, when you’re going to freeze one, think about prioritizing a loaf of sourdough bread.
Sourdough is created by means of pure fermentation, giving it a leg up nutritionally by producing acids like lactic acid and acetic acid, leading to a decrease bread pH. Not solely does this gradual gastric emptying, however it additionally “slows the absorption of the carbohydrates into the bloodstream, serving to cut back the glycemic impact of the bread,” Zenker says.
“The fermentation course of additionally helps break down among the fructans, which is a kind of sugar in wheat. Fructans are a kind of FODMAP, that are fermentable carbohydrates that trigger some people digestive signs when consumed in extra, comparable to these with irritable bowel syndrome (IBS). By breaking down among the fructans, sourdough bread could trigger much less digestive signs than different varieties of bread.
There may be additionally potential for elevated bioavailability of the vitamins in sourdough bread. Wheat comprises phytic acid, which might bind to important minerals like iron, zinc, and magnesium, stopping their absorption within the physique. The fermentation means of sourdough bread may also help degrade a few of these phytates, making the minerals extra out there to be absorbed within the digestive tract.”
While you freeze and toast sourdough, it combines two digestion-friendly hacks: fermentation + resistant starch. Which means higher blood sugar regulation, much less bloating, and extra steady power.
Not All Breads Are Equal


Nonetheless, don’t anticipate miracles by throwing simply any loaf of bread within the freezer with out first trying on the label. Identical to with different meals, some breads are much better decisions than others concerning dietary worth and starch construction. Many commercially-baked breads are beforehand frozen; subsequently, re-freezing at dwelling could present considerably much less advantages from resistant starch. Alternatively, home made or bakery bread made with minimal components is extra prone to have a extra substantial impact.
“It is because many business breads comprise substances like emulsifiers, conditioners, and preservatives to stop bread from going stale, which additionally impedes the retrogradation course of and formation of resistant starch,” Zenker explains. “Just a few examples that you just would possibly see on the ingredient checklist embody monoglycerides and diglycerides, alpha-amylase, or sodium stearoyl lactylate. In distinction, bread made with only a few substances, like flour, yeast, water, and salt, has much less limitations to resistant starch formation.”
As a result of not all varieties of breads are created equal, you’ll need to search for one which helps resistant starch and total well being. Your finest guess is to test the dietary label and substances checklist first and preserve the following pointers in thoughts:
Select these:
- Naturally fermented sourdough
- 100% entire grain breads
- Sprouted grain breads that embody spelt, oat, or rye (comparable to Ezekiel bread)
- Breads which have a excessive fiber content material
Be careful for these:
- Extremely-processed white bread
- Excessive-sugar sandwich loaves, bagels, and brioche
- Enriched or “delicate” breads loaded with preservatives and components
(Professional tip: If it’s shelf-stable for weeks and has 15+ substances, it’s most likely not doing all your physique any favors—freezer or not.)
Maximizing the Advantages of Your Bread
“Resistant starch content material begins to extend the second the bread begins to chill,” Zenker says. “The size of time that bread is frozen doesn’t seem to have a big impression on the quantity of resistant starch fashioned. One examine discovered that there was minimal distinction within the quantity of resistant starch in bread frozen for 3, 5, or 7 days. In different phrases, freezing bread for an extended period of time doesn’t seem to repeatedly enhance the resistant starch content material. The quantity of resistant starch will probably peak after a couple of hours, and plateau as soon as the bread is totally frozen.”
Need to benefit from your frozen bread? Listed below are a couple of tricks to attempt:
- Slice earlier than freezing: If in case you have an unsliced bread, slice it earlier than you throw it within the freezer. Grabbing and toasting particular person slices is way simpler than thawing your entire loaf first.
- At all times reheat or toast after freezing: Reheating your bread after freezing helps preserve the resistant starch advantages.
- Pair your bread mindfully: Maximize your dietary advantages by topping the bread with a wholesome fats (like avocado or almond butter) or a protein (like eggs or cottage cheese) to curb blood sugar spikes.
- Take pleasure in it guilt-free: Bread can completely be a part of a nutritious diet when eaten with intention. Quite than feeling responsible for consuming a carb, use the chance to your benefit in managing wholesome blood sugar ranges.
Bread doesn’t should be the enemy. In truth, with the appropriate loaf, the right prep, and somewhat freezer magic, it may be a instrument for higher metabolic well being, improved digestion, and larger satisfaction.
So go forward: freeze it, toast it, adore it. Your physique—and your style buds—will really feel extra steady, energized, and nourished.
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