Carrots Turning Green in Carrot Muffins | Ask Nigella.com (2024)

Full question

I make a lot of cakes, I cook most days and am pleased with most of my creations (I say most, but not all work out as they should!) The other day I made a dozen carrot muffins. The ingredients were nothing out of the ordinary for muffins. All of the ingredients were well in date and fresh. My kitchen top was very clean prior to cooking. Why then, when I cut into the muffins they had emerald green flecks in them? Most unusual. They tasted fine but I was glad that they were for my own consumption and not made especially for a friend.My Mother In Law (who is a good cook) has no idea either. Please help! Kind Regards Liz

Our answer

The green flecks are carrot but the colour has been changed by the bicarbonate of soda (baking soda) in the mixture. Some pigments are sensitive to pH balances and will change colour if they are in a very acid or very alkaline environment. In the case of carrots they can change from orange to green if they are in a cake batter which is too alkaline and the alkaline in the ingredients comes from the bicarbonate of soda. If it is a recipe that you have baked successfully before then it is likely that the bicarbonate of soda was not mixed into the cake batter properly. If this is the case then make sure the dry ingredients are either sifted or whisked together thoroughly before the carrot and liquid ingredients are added. If it is a new recipe then it may be that you need to reduce the amount of bicarbonate of soda slightly.

The muffins are still safe to eat despite the colour change. It is also worth mentioning that blueberries, sunflower seeds and walnuts can have their colour changed in this way (the walnuts turn blue/purple).

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Carrots Turning Green in Carrot Muffins | Ask Nigella.com (2024)

FAQs

Carrots Turning Green in Carrot Muffins | Ask Nigella.com? ›

Our answer

Why did the carrots in my muffin turn green? ›

Carrots contain pigments that are sensitive to changes in pH balance. When the shreds of carrot come into contact with the alkaline baking soda, a chemical reaction takes place that causes the pigments to change color. Ipso facto, green carrots!

Do carrots change color when baked? ›

A past study also showed that a change in the color of the carrot was observed by applying heat at > 60 o C, the possible reason is that β-carotene in carrots started to degrade which imparts the color changes (Araya et al., 2009) .

Why did my cake turn green? ›

When blue food coloring is added to this yellow base, the batter turns green. Moreover, food coloring is known to darken. This means that as the cake bakes, its emerald tinge will become even more apparent. Thankfully, there are measures you can take in order to avoid green baked goods.

Is the green on carrots safe to eat? ›

And the carrot tops (AKA greens, AKA leaves) have a similar nutritional profile to carrots; they are rich in vitamin A, C, K, and potassium. Don't toss those greens. Reduce food waste by using the whole carrots and their leafy tops. Carrot tops can be used in soups, salads, and pesto, and you can also saute them.

Why are there green pieces in my carrot cake? ›

Our answer. The green flecks are carrot but the colour has been changed by the bicarbonate of soda (baking soda) in the mixture.

How do you know when carrots are too old to eat? ›

Carrots that have spoiled or gone bad will usually have an odor, a slimy texture, or dark discoloration. They may also be wilted or soft. If you see mold growing on carrots, throw them out. The white blush that forms on carrots signals that your carrots are drying out.

How do you know if carrots are bad quality? ›

Wilting-carrots may wilt if stored in a n area with low humidity. Decay; sprouting-may begin to decay or sprout if stored at high temperatures. Cracks; flabby or discolored skin„these are indications of freeze damage. Yellow tips; soft spots„these are signs of age and will result in a poor flavored product.

What happens to carrots when cooked? ›

Your body has an easier time absorbing the carotenoids in carrots if you eat them cooked rather than raw. Cooking breaks down the vegetable's cell walls, making its nutrients more available. Of course, how you cook them matters—boiling vegetables can leach out nutrients, so it's better to steam, sauté, or roast.

Do carrots lose nutrients when baked? ›

Cooking vegetables can make the cell walls less rigid, which makes it easier to absorb certain nutrients and digest food better. For example, cooked carrots have more beta carotene, an antioxidant that can be converted to vitamin A and can improve bone, eye and reproductive health.

Does the color of carrots matter? ›

Purple carrots are high in anthocyanins, which are rich in antioxidants. Yellow carrots contain xanthophylls, which is linked to having good vision. Red carrots are a good source of lycopene, which can help fight against heart disease and some cancers.

Why are my carrots turning green in my muffins? ›

Carrots can turn green if they come in contact with something alkaline. Baking soda is an alkaline substance. Alternatively, they could have used some of the fronds. The green part, aka fronds, which are usually discarded, are edible.

What turns green when baked? ›

Something weird happens when you take sunflower seeds and heat them with some baking soda. sunflower seeds contain all kinds of healthy fats, proteins and anti-oxidants. and they also contain chlorogenic acid. which reacts with the baking soda and air to form a brilliant blue green pigment.

Why did my banana muffins turn green? ›

Low and behold the acidic component is in bananas, so any excess baking soda that doesn't help the banana bread rise will react, hence green or blue banana bread slices the next day. Oh and too much baking soda leaves a metallic aftertaste.

Why did my sweet potato muffins turn green? ›

Why do sweet potato muffins turn green? If you use light colored sweet potatoes, they are prone to turn slightly green when baked in muffins. They are still 100% edible.

Why did my egg muffins turn green? ›

This harmless but unappealing color change is the result of a chemical reaction between iron in the pan and sulfur in egg whites.

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