This easy cereal bar recipe is homemade with just 4 ingredients and requires no bake time at all. Whether you’re making them for breakfast or a quick snack, these bars are simple, chewy, and perfect for families on the go.
For more no-bake treats for kids, try my Yogurt Granola Bites and Birthday Cake Balls next.
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Peanut Butter Cereal Bars
These Peanut Butter Cereal Bars are sweet, sticky, and just wholesome enough to feel like a better option when I need something quick. I like that they’re easy to prep ahead and work as a breakfast or snack, especially for busy school mornings. Instead of pouring a bowl of cereal and milk, I can hand over one of these bars and know we’re good to go!
Why You’ll Love this Cereal Bars Recipe
Quick to Make. Just 5 minutes of prep and no baking required.
Easy to Customize. Switch up the cereal or mix in chocolate chips, dried fruit, or sprinkles for a fun twist.
Kid-Approved. Made with simple ingredients like peanut butter and maple syrup, these bars feel like a treat without relying on processed sugar.
What is a cereal bar?
A cereal bar is a handheld snack made by mixing cereal with a sticky binder like peanut butter and syrup. The mixture is pressed into a pan, chilled, and sliced into bars. It’s a simple way to turn your favorite breakfast cereal into something portable.
Ingredients
- Cereal. This gives the bars their structure and crunch. Choose something simple like oat O’s or puffed rice for the best texture.
- Creamy peanut butter. Acts as the binder and adds rich, nutty flavor. It also helps keep the bars soft but sturdy.
- Maple syrup. Naturally sweetens the bars and helps everything stick together without refined sugar.
- Vanilla extract. Adds warmth and enhances the overall flavor of the bars.
- Ground flaxseed or nutrition booster (optional). Adds fibre and nutrients without changing the taste or texture much.
- Sprinkles or chocolate chips (optional). A fun topping that makes the bars feel like a treat, especially for kids.
How to Make Cereal Bars
Prep the Pan
I like to start by lining an 8×8-inch pan with parchment paper. It makes cleanup easier and helps the bars lift right out when they’re set.
Make the Peanut Butter Mixture
In a small saucepan over low heat, I stir together the peanut butter and maple syrup until smooth and fully combined. Once it’s off the heat, I stir in the vanilla and flaxseed if I’m using it.
Combine and Press
In a large mixing bowl, I add the cereal and any mix-ins like sprinkles or chocolate chips. Then I pour the warm peanut butter mixture over top and stir everything together until the cereal is evenly coated. I use a spatula—or clean hands—to press it firmly into the prepared pan so the bars hold their shape.
Chill and Slice Your Cereal Bars
I pop the pan in the fridge and let it chill for at least an hour, or until the bars feel firm to the touch. Once they’re set, I slice them into bars or squares and store them in an airtight container in the fridge. They’ll keep for up to a week, or I freeze a batch to have on hand for busy days.
Storing Instructions
Once the bars are fully set, I store them in an airtight container in the fridge to keep them firm and fresh. They last up to one week this way, which makes them great for prepping ahead.
If I want to keep them longer, I layer them between sheets of parchment paper and freeze them for up to two months. When I’m ready to eat, I let a bar sit at room temperature for a few minutes to soften slightly.
Cereal Bar Recipe Tips
- Use a firm-pressing hand. Press the mixture tightly into the pan so the bars hold together well once chilled.
- Line your pan with parchment paper. This makes it easier to lift the bars out and slice them cleanly.
- Stick with creamy peanut butter. Natural or oily peanut butters may cause the bars to fall apart or feel too soft.
- Let the mixture cool slightly before adding mix-ins. If you’re using chocolate chips or sprinkles, this helps prevent them from melting.
- Chill for at least an hour. This gives the bars time to firm up, making them easier to cut and eat.
- Store in the fridge for best texture. They’ll stay firm and fresh for up to a week in an airtight container.
What to Put in Cereal Bars
- Dried fruit. Add chopped raisins, cranberries, or apricots for extra sweetness and chew.
- Mini chocolate chips. Stir them in after the peanut butter mixture has cooled a bit so they don’t melt.
- Sprinkles. A fun way to make these bars more kid-friendly or festive for special occasions.
- Chopped nuts or seeds. Almonds, sunflower seeds, or pumpkin seeds add a satisfying crunch and extra nutrients.
- Cinnamon or other spices. A dash of cinnamon, nutmeg, or even pumpkin spice can add a warm twist.
Frequently Asked Questions (FAQs)
Are cereal bars actually healthy?
It depends on what you put in them. This recipe uses simple ingredients like peanut butter and maple syrup, which feel more wholesome than store-bought options with added preservatives. While they’re still a treat, they offer a more balanced option compared to packaged versions.
What is the difference between a cereal bar and a granola bar?
Cereal bars use boxed cereal and are usually no-bake. Granola bars are often made with oats and baked for a firmer texture.
Do I need to cook the mixture?
Just gently heat the peanut butter and syrup until smooth. There’s no need to boil. Overheating can affect the texture.
More Healthy Breakfast Treats
Easy Strawberry Oatmeal Breakfast Cookies
Easy Frozen Yogurt Bites with Granola Bar Layer
Chocolate Peanut Butter Granola Bars
Healthy Blueberry Baked Oatmeal Bars for Toddlers
DID YOU MAKE THIS CEREAL BAR RECIPE?
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Peanut Butter Cereal Bars
Equipment
- Mixing Bowl
- Small saucepan
- Spatula or wooden spoon
- 8×8-inch baking pan
- Knife for slicing bars
Ingredients
- 3 cups cereal
- ½ cup creamy peanut butter
- 1/3 cup maple syrup
- 1 tsp vanilla extract
Optional Ingredients
- 3 tbsp Tiny Sprouts nutrition booster
- Sprinkles or chocolate chips for topping
Instructions
- Use an 8×8-inch pan and line it with parchment paper for easy removal.
- In a small saucepan over low heat, stir together peanut butter and maple syrup until smooth and combined. Remove from heat and stir in vanilla, and flaxseed if using.
- In a large bowl, combine the cereal and any mix-ins (dye-free sprinkles, chocolate chips, dried fruit). Pour the peanut butter mixture over and stir until everything is evenly coated.
- Use a spatula or clean hands to press the mixture firmly into the pan. Press well so the bars hold together when sliced.
- Refrigerate for at least 1 hour until firm. Slice into bars or squares.
Notes
