Mornings can be hectic, and finding a nutritious breakfast that actually tastes good can feel impossible. That's where baked oatmeal breakfast bars come in; a simple, wholesome solution that fits perfectly into busy lifestyles. These breakfast treats are everything you need in one convenient package: fiber-rich, naturally sweet, and easy to grab on your way out the door.
I've been making baked oatmeal breakfast bars for years, and they've become a staple in my kitchen. They're the perfect answer when you want something homemade without spending hours in the kitchen. Whether you're meal prepping for the week or need a quick snack for kids, these baked oatmeal breakfast bars deliver every single time.

Why These Bars Are Your New Breakfast Hero
Baked oatmeal breakfast bars have taken the healthy eating world by storm, and for good reason. They combine the hearty goodness of rolled oats with natural sweeteners like maple syrup, creating a satisfying breakfast that keeps you full until lunch. Unlike store-bought granola bars loaded with sugar and preservatives, these homemade energy bars give you complete control over what goes into your body. Plus, they're incredibly budget-friendly; a single batch costs less than buying breakfast out for just two days.
The beauty of baked oatmeal breakfast bars lies in their versatility. You can customize them based on what's in your pantry, dietary needs, or personal taste preferences. Want something chocolate-y? Add cocoa powder and dark chocolate chips. Prefer fruity flavors? Mix in dried cranberries or fresh berries. These bars work for breakfast, snacks, or even a pre-workout boost. They're popular among parents, athletes, and anyone who values convenience without compromising nutrition.
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Ingredients
Base Ingredients
- Rolled oats
- Mashed ripe bananas
- Pure maple syrup
- Melted coconut oil
- Egg
- Vanilla extract
- Ground cinnamon
- Baking powder
- Salt
Optional Add-ins
- Chocolate chips
- Chopped nuts (walnuts, almonds, or pecans)
- Dried fruit (raisins, cranberries, or chopped dates)
- Chia seeds or ground flaxseed
- Peanut butter or almond butter

See recipe card for quantities.
Instructions
Step 1: Prepare Your Baking Setup
- Preheat your oven to 350°F (175°C) and position the rack in the center.
- Line an 8x8-inch baking pan with parchment paper, leaving some overhang on the sides for easy removal later.
- Lightly grease the parchment paper with cooking spray or a thin layer of coconut oil.
- Gather all your ingredients and measuring tools so everything's ready to go.
Step 2: Mix the Wet Ingredients
- In a large mixing bowl, mash your bananas until mostly smooth with just a few small chunks remaining.
- Add the melted coconut oil, maple syrup, egg, and vanilla extract to the mashed bananas.
- Whisk everything together vigorously for about 30 seconds until well combined and slightly frothy.
- The mixture should look creamy and uniform in color.
Step 3: Combine with Dry Ingredients
- Add the rolled oats, cinnamon, baking powder, and salt directly to the wet mixture.
- Stir with a wooden spoon or spatula until all the oats are completely coated and no dry patches remain.
- Fold in any optional add-ins like chocolate chips, nuts, or dried fruit at this point.
- Let the mixture sit for 5 minutes; this allows the oats to absorb some moisture and helps the bars hold together better.
Step 4: Bake to Perfection
- Pour the mixture into your prepared pan and spread it evenly using the back of your spoon or a spatula.
- Press down firmly to compact the mixture; this is crucial for bars that hold together nicely.
- Bake for 25-30 minutes until the edges are golden brown and the center feels set when you gently press it.
- Remove from the oven and let cool in the pan for at least 20 minutes before lifting out using the parchment paper overhang.
- Cut into 10 equal bars once completely cooled for the best texture.
Quick Tips for Perfect Baked Oatmeal Bars
- Adjust sweetness: Taste and tweak maple syrup to your liking.
- Use ripe bananas: Brown spots = natural sweetness + better binding.
- Let it rest: 5 min before baking improves texture and prevents crumbling.
- Press firmly: Compact the mix well so bars hold their shape.
- Cool completely: Wait before cutting to avoid messy breaks.
- Toast oats: 8–10 min at 350°F for a richer, nutty flavor.
Recipe Variations & Substitutions
One of the best things about these bars is how adaptable they are to different dietary needs and taste preferences.
Vegan Version
Swap the egg for a flax egg (1 tablespoon ground flaxseed + 3 tablespoons water, rest 5 minutes). Use maple syrup instead of honey. These simple swaps create perfectly soft, chewy vegan bars.
Gluten-Free
Use certified gluten-free oats to avoid cross-contamination. The rest of the ingredients are naturally gluten-free.
High-Protein Version
Add protein powder to the dry ingredients and peanut butter to the wet. Adjust with a splash of milk to keep the texture right.
Chocolate Lovers
Mix in chocolate chips and cocoa powder. For extra indulgence, drizzle melted dark chocolate over the cooled bars.
Berry Bliss
Fold in fresh or frozen berries. If using frozen, add them directly without thawing to maintain the perfect texture.
Apple Cinnamon
Replace the banana with applesauce and diced apples. Add more cinnamon and a pinch of nutmeg for a warm, cozy flavor.
Tropical Twist
Add shredded coconut, dried pineapple or mango, and a touch of coconut extract for a light, tropical taste.
Equipment Recommendations
Having the right tools makes preparing baked oatmeal breakfast bars even easier and more enjoyable.
- 8x8-inch Square Baking Pan ; this size creates perfectly thick bars that aren't too tall or too flat (a 9x9 works too but bars will be slightly thinner)
- Parchment Paper ; essential for easy removal and minimal cleanup
- Large Mixing Bowl ; gives you plenty of room to mix without spilling
- Potato Masher or Fork ; perfect for mashing bananas quickly
- Wooden Spoon or Silicone Spatula ; sturdy enough to mix thick oatmeal batter
- Wire Cooling Rack ; allows air circulation for even cooling
- Sharp Knife ; clean cuts mean prettier bars
Storage & Meal Prep Tips
Room Temperature Storage
Store baked oatmeal breakfast bars in an airtight container for up to 4 days. Use parchment paper between layers to prevent sticking and keep the texture soft and chewy.
Refrigerator Storage
For longer freshness, refrigerate for up to 10 days. This is ideal if your bars contain fresh fruit. Let them sit at room temperature for a few minutes before serving if you prefer a softer texture.
Freezing Instructions
Freeze for up to 3 months. Wrap each bar individually in plastic wrap, then place them in a freezer-safe bag or container. Thaw overnight in the fridge or leave at room temperature for about 30 minutes.
Meal Prep Strategy
Make a double batch: keep one at room temperature for the week and freeze the other for the following week. This method ensures a steady supply of quick, ready-to-eat breakfasts.
Freshness Tip
If bars start to dry out, microwave them for 10–15 seconds to bring back their soft, freshly baked texture.
The Game-Changing Secret
Here’s my favorite way to take baked oatmeal breakfast bars to the next level: spread a thin layer of nut butter on the bottom of the pan before adding the oat mixture. Use about ¼ cup of peanut, almond, or sunflower seed butter across the parchment, then pour the batter on top. After baking, flip the bars over and you’ll get a smooth, protein-rich layer that looks beautiful and adds extra staying power.
Another great trick for soft, cake-like baked oatmeal breakfast bars is to mix 2 tablespoons of Greek yogurt into the wet ingredients. This simple addition makes the texture more tender and boosts the protein content. The bars stay moist for days, and the light tang from the yogurt balances the sweetness perfectly.
FAQ
Are Baked Oatmeal Bars Healthy?
Yes, baked oatmeal breakfast bars are healthy when made with wholesome ingredients. They're packed with fiber, natural sweetness, and healthy fats while avoiding preservatives and excess sugar.
How Long Do You Bake Oatmeal Bars For?
Bake your baked oatmeal breakfast bars at 350°F for 25-30 minutes until the edges are golden brown and the center feels firm.
What Is the Best Binder for Oatmeal Bars?
The best binder for baked oatmeal breakfast bars is mashed banana combined with an egg. For vegan versions, use flax eggs or chia eggs.
Is Baked Oatmeal Good for Breakfast?
Absolutely! Baked oatmeal breakfast bars provide sustained energy, keep you full with fiber, and are perfect for busy mornings.
Fuel Your Morning Right
These baked oatmeal breakfast bars have truly changed my morning routine. They're proof that healthy eating doesn't have to be complicated; just simple ingredients and 40 minutes gives you a week's worth of nutritious breakfasts.
If you love these baked oatmeal breakfast bars, try my Oatmeal Banana Bars Recipe or check out my Cinnamon Roll Baked Oatmeal Recipe for weekend brunch. Don't forget to leave a comment and let me know how your bars turned out!
Happy baking! 🥣
Ashley
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Pairing
These are my favorite dishes to serve with this Baked Oatmeal Breakfast Bars recipe:

Baked Oatmeal Breakfast Bars
Equipment
- 1 8x8 inch square baking pan
- 1 Parchment paper
- 1 Mixing bowl
- 1 Potato masher or fork
- 1 Wooden spoon or spatula
- 1 Wire cooling rack
- 1 Sharp knife
Ingredients
- 2 cups rolled oats base ingredient
- 1 cup mashed ripe bananas about 2–3 medium
- ⅓ cup pure maple syrup sweetener
- ¼ cup melted coconut oil or butter
- 1 large egg or flax egg for vegan
- 1 teaspoon vanilla extract
- 1 teaspoon ground cinnamon
- ½ teaspoon baking powder
- ¼ teaspoon salt
- ½ cup chocolate chips optional
- ⅓ cup chopped nuts optional
- ⅓ cup dried fruit optional
- 2 tablespoon chia seeds or ground flaxseed optional
- ¼ cup peanut or almond butter optional
Instructions
- Preheat oven and prep pan.
- Mash bananas and mix wet ingredients.
- Stir in oats and dry ingredients.
- Rest batter 5 minutes.
- Press into pan and bake 25–30 minutes.
- Cool completely, then cut into bars.
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