How to Make Cornstarch Chunks? 2 Different Methods for 2023

To make cornstarch chunks, you need to mix cornstarch with water until you get a smooth texture. There are different methods for making cornstarch chunks, such as using an oven or a microwave.

While you may have a basic idea of how to make cornstarch chunks, this article provides a detailed guide with step-by-step instructions on how to make them using different methods. So, keep reading until the end to learn everything in detail.

What Are Cornstarch Chunks?

What Are Cornstarch Chunks
What Are Cornstarch Chunks

Cornstarch is also known as corn flour. It is the starch that is derived from corn grain. It is a typical food ingredient. It is not only used as an ingredient but also used as baked food like biscuits. Almost every sauce and soup need cornstarch as a significant ingredient.

You can eat cornstarch chunks directly taking them out of the box. Eating it like that is safe but you can eat only a small amount. Cornstarch chunks are full of calories and carbohydrates.

How Long Does It Take to Make Cornstarch Chunks?

The time it takes to make cornstarch chunks depends on the method you use. If you are making cornstarch chunks in an oven, it can take anywhere from 30 minutes to an hour or more, depending on the temperature and the size of the chunks.

In a microwave, it can take as little as 5 minutes, but it’s important to constantly check on the chunks to avoid burning them.

How to Make Microwave Cornstarch Chunks?

how to make microwave cornstarch chunks
Making Microwave Cornstarch Chunks

You can prepare cornstarch chunks in the microwave very quickly. So before we get into the recipe let’s see the ingredient list and cooking time.

  • Add cornstarch and any seasonings of your choice to a plastic bag.
  • Seal the bag and press it firmly to compress the cornstarch into a block. Use a brick or any heavy object you have at home if needed.
  • Place the bag in the microwave and set it to high for 5 minutes. Check the bag frequently to ensure that the cornstarch is not burning. Adjust the cooking time as needed.
  • Once the block is firm and solid, remove it from the microwave and allow it to cool.
  • Break the block into chunks and enjoy!

With these simple steps, you can make cornstarch chunks easily and quickly in the microwave, without the need for an oven.

How to Make Cornstarch Chunks in Oven?

how to make cornstarch chunks in oven
Make Cornstarch Chunks in Oven

Oven-baked cornstarch chunks are the best crispy chunks. It is one of the best ways to satisfy a crunchy craving.

It is very easy to make cornstarch chunks in an oven, you just need a few ingredients. You can add different tastes to these chunks by adding items such as spices, chocolate, or caramel. Let’s see how to make them using an oven


1 cup cornstarch
1/2 cup water
Food coloring (optional)

Cooking Process

To make cornstarch chunks you should flow these easy 7 steps;

  1. Preheat your oven to 200°F (93°C).
  2. In a bowl, mix cornstarch and water until it forms a smooth mixture.
  3. If you want to add color to your chunks, add a few drops of food coloring to the mixture and mix well.
  4. Pour the mixture onto a baking sheet lined with parchment paper or a silicone mat.
  5. Use a spatula or knife to spread the mixture evenly across the sheet, making sure it’s no more than 1/4 inch thick.
  6. Place the baking sheet in the preheated oven and bake for 2-3 hours or until the mixture has completely dried and hardened. You can check if it’s ready by gently pressing it on the surface. If it’s dry and hard, it’s ready.
  7. Once it’s cooled, use a knife or your hands to break the sheet into small chunks or shapes.

How to Make Cornstarch Chunks Fast?

If you want to make cornstarch fast then the first thing you will need is the right temperature. If the cornstarch is cold, it will take so much time to form into chunks. You have to add some water to the cornstarch to help it bind perfectly.

Mix cornstarch and water in a bowl and stir until the cornstarch gets dissolved completely. Put the mixture refrigerator for about 15 minutes to let it cold. Take little amount of the mixture and make balls of them.

Cornstarch Chunks’ Nutrition Value

People eat cornstarch chunks as snacks. It’s important to know about the nutritional value of the food you are eating. Cornstarch chunks are healthy but it has some downsides too. Let’s see its nutritional value in the table below.

Nutrients Amount
Protein 0.5 grams
 Carbs 117 grams
Fibe 1 gram
Copper 7% of  Daily Value (DV
Selenium 7% of  Daily Value (DV
Iron 3% of Daily Value (DV
Manganese 3% of Daily Value (DV
Total Calories 488

You have to be careful about eating cornstarch chunks. If you eat more than the daily limit, it will harm your body. You can take only  8-12 grams daily.

However, cornstarch has high carbs and a high glycemic index. Eating extra cornstarch will affect your blood sugar levels. It may harm heart health too.

Read this article for more details:

Where to Find Cornstarch Chunks?

Cornstarch chunks are a completely available food item. You can find cornstarch chunks in almost every grocery store and shopping complex. You can also order them from online shops. Almost any online shopping site will have it. Or you can check it at the nearby bakery.


Can I use flavored liquid instead of water to make cornstarch chunks?

Yes, you can use flavored liquid like fruit juice or broth instead of water to add more flavor to your cornstarch chunks.

Can I store cornstarch chunks for later use?

Yes, you can store cornstarch chunks in an airtight container in the refrigerator for up to a week.

How do I know when the cornstarch mixture is ready to be turned into chunks?

The cornstarch mixture should be smooth and free of lumps. It should also have a thick and slightly sticky texture.

Besides, you may read: How to thicken crock pot stew with cornstarch?


So, that’s all about how to make cornstarch chunks? I’ve already explained 3 different methods to cook it.

Now if you ask for the best way then I would say using the microwave would be the best method. Also, I’ve added the nutritional value, upsides, and downsides. So be careful before consuming it a lot.

Helen Knight
Helen Knight

I'm passionate about cooking and making simple, delicious recipes that you can always feel confident feeding to friends and family. My goals for you are to have fun in the kitchen, learn new things, and create beautiful dishes. I have a lot of experience using kitchen appliances, so making great food is my passion and my favorite thing to share with others. I prioritize food safety in all of my meals. Check out my blog SKI, for helpful tips and tricks to improve your own cooking skills. Let's explore the world of food together!

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