There’s something so comforting about the combination of juicy blueberries and hearty oats, especially when baked into a perfectly sweet, crumbly bar. These Blueberry Oat Bars are the ultimate treat—great for breakfast, a midday snack, or even dessert! Made with wholesome ingredients and bursting with fresh blueberry flavor, they’re not only delicious but also kid-friendly. Easy to make with simple pantry staples, these bars are perfect for little hands to help with and even better for lunchboxes or after-school snacks. Whether you enjoy them with a cup of coffee in the morning or as a sweet afternoon pick-me-up, these bars are sure to become a favorite for the whole family!

Kelly’s Kitchen Tip’s
You may use any type of nut butter you prefer: I used all natural peanut butter as that’s my kiddo’s favorite – any kind works
Use old-fashioned oats for structure: Rolled oats give your bars a hearty texture and help them hold together when baked—instant oats tend to make them too soft and crumbly.
Thicken the blueberry layer: Toss berries with a little cornstarch before layering to ensure a jammy filling that doesn’t seep into the crust or turn soggy.
Let bars cool completely before slicing: Patience pays off—this helps the flavors settle and the bars hold their shape when cut. Chill briefly in the fridge if needed.
Watch browning and bubbling as bake nears end: If the top crust starts to get too dark, tent the pan with foil to prevent over-browning while the filling finishes baking.
Add a hint of sweetness: Dust some powdered sugar over top for an extra hint of sweetness to enjoy.

Easy Blueberry Oat Bars Recipe for Kids
Equipment
- 7×11 or 8×8 baking dish
- Cooking oil spray
Ingredients
- 2 bananas
- 1 1/2 cups rolled oats
- 2 Tbsp nut butter, *I used natural peanut butter
- 1 cup fresh blueberries
- Sprinkle of cinnamon, optional
Instructions
- Preheat your oven to 350°F.
- In a lightly sprayed 7×11 or 8×8 baking dish, mash the 2 bananas well with a fork or potato masher. Add the remaining ingredients (1 1/2 cups rolled oats, 2 Tbsp nut butter, 1 cup blueberries) and stir it all together until throughly combined.
- Press the mixture down creating an even, smooth surface. It should be about an inch thick.
- Optional Step – Sprinkle cinnamon over the top for an extra flavor kick.
- Cook in your preheated oven for 25 minutes.
- Allow time to cool, then serve and enjoy!
Notes
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