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Can You Compost Breakfast Cereal? A Guide to Sustainable Breakfast Habits

by Idris Ya'u
This article was fact checked.
Helpful: 100%

Breakfast is the most important meal of the day, and many of us enjoy a delicious bowl of cereal to kickstart our mornings.

But have you ever wondered what to do with the leftover cereal crumbs or the cereal that has gone stale? Is composting an option? In this article, we’ll explore whether you can compost breakfast cereal and provide some tips for maintaining sustainable breakfast habits. Let’s dig in!

Can You Compost Breakfast Cereal?

The answer is a resounding “yes,” you can compost breakfast cereal! Composting is an eco-friendly way to turn organic waste into nutrient-rich soil that can be used to fertilize plants and gardens. While some types of breakfast cereals can be composted, there are a few factors to consider.

Check the Ingredients: Before composting your cereal, take a look at the ingredients list. Ideally, you want to choose cereals that are made from natural and organic ingredients, without any artificial additives. These cereals will break down more easily during the composting process.

Avoid Sugary Cereals: Cereals that are loaded with sugar can attract pests and rodents to your compost pile. It’s best to avoid composting sugary cereals to prevent any unwanted visitors.

Break It Down: To speed up the composting process, it’s a good idea to break down the cereal into smaller pieces. You can crush it or run it through a food processor to make it easier for the microorganisms in the compost pile to break it down.

Mix It In: When adding cereal to your compost pile, ensure it’s mixed well with other compostable materials such as fruit and vegetable scraps, coffee grounds, or yard waste. This will help create a balanced compost pile with a mix of carbon and nitrogen-rich materials.


  1. 4 Best Composting Bins For Kitchen
  2. 4 Best Compost Bins For Cold Climates

Frequently Asked Questions
Can expired cereal be composted?

Yes, expired cereal can be composted. When composting expired cereal, it’s important to check for any signs of mold or spoilage. If the cereal is moldy or has an unpleasant odor, it’s best to avoid composting it.

However, if the cereal is simply stale or past its expiration date without any signs of contamination, it can be composted like any other cereal. Remember to break it down into smaller pieces to aid the composting process.

Can you compost bread and cereal?

Yes, both bread and cereal can be composted. When composting bread, it’s better to use whole wheat or whole grain bread rather than highly processed white bread. Tear or cut the bread into smaller pieces to help it decompose more efficiently.

As for cereal, follow the same guidelines mentioned earlier: choose natural and organic cereals without artificial additives, avoid sugary varieties, and break it down into smaller pieces before adding it to the compost pile.

Can you compost old oats?

Yes, you can compost old oats. Oats are considered a great addition to compost due to their high carbon content. Whether they are whole oats, rolled oats, or even oatmeal, they can be composted.

However, if the old oats have been cooked or mixed with milk or other liquids, it’s best to avoid composting them, as these additions can attract pests and create unpleasant odors in your compost pile.

Dry, plain old oats can be added to your compost as long as they are not contaminated with any other substances.


Composting breakfast cereal is a simple and effective way to reduce food waste and promote sustainability in your daily routine.

By choosing natural and organic cereals, avoiding sugary varieties, breaking down the cereal into smaller pieces, and mixing it in with other compostable materials, you can contribute to creating nutrient-rich soil for your plants.

Remember, composting is not only beneficial for the environment but also for your own garden. The compost you create can enrich the soil, improve water retention, and enhance the overall health of your plants.

So, next time you’re enjoying a bowl of cereal, don’t let the leftovers go to waste—compost them and give back to nature!


  1. How to Compost Breakfast Leftovers and Scraps, source
  2. Can You Compost Cereal Boxes Or Stale Cereal?, Source

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