These healthy Oat Breakfast Bars are perfect for meal prep! Made with old fashioned oats, cranberries, and walnuts, these nutritious oatmeal breakfast bars are easy to customize and freeze beautifully.
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Quick Recipe Overview
WHAT: Baked oatmeal breakfast bars loaded with cranberries, walnuts, and naturally sweetened with honey and applesauce.
WHY: Perfect for meal prep, these bars stay fresh for weeks and provide a nutritious, grab-and-go breakfast option.
HOW: Mix wet and dry ingredients, pour into a baking dish, bake for 25 minutes, and slice into portable bars.
Jump to:
- Quick Recipe Overview
- Why I Love Making Oat Breakfast Bars
- Ingredient Notes
- Healthy Oat Breakfast Bars Recipe
- How To Make Healthy Breakfast Bars
- FAQs for Oat Breakfast Bars
- My Best Tips for Making Oat Breakfast Bars
- What to Serve With Healthy Breakfast Bars
- Storage & Reheating Tips
- More Favorites From Longbourn Farm
Why I Love Making Oat Breakfast Bars
These healthy breakfast bars have become my weekly meal prep staple. I love that they combine wholesome ingredients like old-fashioned oats, dried cranberries, and crunchy walnuts into a portable breakfast that actually keeps me satisfied until lunch. The natural sweetness from honey and applesauce means I'm not loading up on refined sugar first thing in the morning.
These bars are incredibly versatile. I can easily swap the cranberries for raisins, change up the nuts, or add chocolate chips when I'm craving something more indulgent. They're just as delicious cold from the refrigerator as they are warmed up for 15 seconds in the microwave.
Unlike fussy baked goods, they come together in one bowl with minimal effort. I can whip up a batch on Sunday evening and have breakfast sorted for the entire week. They're perfect for busy mornings, after-school snacks, or even a quick energy boost before a workout.
🩷 Melissa
Ready to transform your mornings with these wholesome oat breakfast bars? Grab your mixing bowl and let's get started on the easiest meal prep you'll make all week.
These bars come together in minutes with simple pantry staples, bake while you tackle other tasks, and reward you with a week's worth of nutritious breakfasts.
Whether you're rushing out the door on a busy weekday or enjoying a leisurely weekend brunch, these bars deliver the perfect balance of convenience and homemade goodness. Make a batch today and enjoy effortless breakfasts all week long!
Ingredient Notes
Applesauce: Acts as a natural sweetener and keeps the bars moist without adding extra fat. Unsweetened applesauce works best to control sweetness levels.
Old Fashioned Rolled Oats: Essential for the right texture. These provide a hearty, chewy bite that quick oats can't replicate. Make sure they're fresh for the best flavor.
Dried Cranberries: Provide tart sweetness and chewy texture. Look for varieties without added sugar if you prefer less sweetness.
For the exact amounts needed, please see the recipe card below.
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Healthy Oat Breakfast Bars Recipe
Ingredients
- 2 large eggs
- ½ cup whole milk
- ¼ cup applesauce
- 1 teaspoon vanilla extract
- 1 tablespoon honey
- 1 teaspoon baking powder
- ½ cup white granulated sugar
- ½ tablespoon ground cinnamon
- ¾ cup chopped walnuts
- ¾ cup dried cranberries
- 2 ½ cups old fashioned oats
Instructions
- Preheat your oven to 350°F and coat an 8x8 inch glass baking dish with butter or nonstick cooking spray.
- Whisk together the eggs, milk, applesauce, vanilla, and honey in a large mixing bowl until eggs are thoroughly beaten and the mixture is homogeneous.2 large eggs, ½ cup whole milk, ¼ cup applesauce, 1 teaspoon vanilla extract, 1 tablespoon honey
- Add the baking powder, sugar, cinnamon, walnuts, cranberries, and oats to the mixing bowl. Fold the ingredients together until the wet and dry ingredients are fully combined.1 teaspoon baking powder, ½ cup white granulated sugar, ½ tablespoon ground cinnamon, ¾ cup chopped walnuts, ¾ cup dried cranberries, 2 ½ cups old fashioned oats
- Transfer the oat mixture to the prepared dish and bake for 25 minutes.
- Allow the dish to come to room temperature before slicing into bars.
Notes
Nutrition
How To Make Healthy Breakfast Bars
Step 1: Preheat your oven and prepare baking dish. Whisk together the eggs, milk, apple sauce, vanilla, and honey in a large mixing bowl until the eggs are thoroughly beaten and the mixture is homogeneous.
Step 2: Add the baking powder, sugar, cinnamon, walnuts, cranberries, and oats to the mixing bowl. Fold the ingredients together until the wet and dry ingredients are fully combined.
Step 3: Transfer the oat mixture to the prepared dish and bake until they are set.
Step 4: Allow the dish to come to room temperature before slicing into bars. Serve and enjoy!
FAQs for Oat Breakfast Bars
Yes! Simply use certified gluten free rolled oats. The rest of the ingredients are naturally gluten free, so that's the only substitution you need to make. Make sure your baking powder is also certified gluten free if you have celiac disease.
Make sure you're measuring your oats correctly (don't pack them down) and don't overbake. If they seem dry, try adding an extra tablespoon of milk or applesauce to the batter next time.
Yes, you can reduce the sugar to ¼ cup or substitute with maple syrup or additional honey. The applesauce and dried fruit also contribute natural sweetness.
Absolutely! Use a 9x13 inch baking dish instead of the 8x8 inch pan. The baking time will be similar - start checking around 25 minutes and add a few more minutes if needed until the center is set.
My Best Tips for Making Oat Breakfast Bars
☞ Don't Skip the Cooling Time: Patience is key here—allowing the bars to cool completely at room temperature ensures they hold together when sliced and prevents crumbling.
☞ Toast Your Nuts First: Toasting uts for 5-7 minutes at 350°F before adding them intensifies their flavor and adds extra crunch to every bite.
☞ Use Room Temperature Ingredients: Let your eggs and milk sit at room temperature for 15-20 minutes before mixing. This helps everything combine more smoothly and results in more evenly baked bars.
☞ Customize to Your Taste: These bars are endlessly adaptable. Try different dried fruit combinations, swap nuts, or add a handful of chocolate chips for variety throughout the week.
What to Serve With Healthy Breakfast Bars
These nutritious bars pair beautifully with fresh fruit salad, Greek yogurt with a drizzle of honey, or a simple smoothie for a complete breakfast. For a cozy morning, serve them alongside scrambled eggs and turkey sausage.
They're also perfect with a hot cup of coffee, chai tea, or almond milk. Pack them in lunchboxes with string cheese and apple slices for a balanced midday snack, or enjoy them with a spread of peanut butter for extra protein.
Storage & Reheating Tips
Room Temperature
Store bars in an airtight container or Ziploc bag at room temperature for up to 1 week. Keep them away from direct sunlight and heat sources.
Refrigerator
For longer storage, keep bars in the refrigerator for up to 2 weeks. They're delicious eaten cold and maintain their texture beautifully.
Freezer
These bars freeze exceptionally well for up to 3 months. Wrap individual bars in plastic wrap, then store in a freezer-safe bag. Label with the date for easy tracking.
Reheating
Enjoy cold straight from the fridge, or microwave for 15-20 seconds for a warm treat. Frozen bars should thaw in the refrigerator overnight before serving or reheating.
Make-Ahead
These are ideal for meal prep. Bake on Sunday and have breakfast ready all week. You can also prepare the mixture the night before and bake fresh in the morning.
More Favorites From Longbourn Farm
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