Oh, my apple maple oat slab—this is the recipe that saved my weekday mornings more times than I can count! Picture this: it’s 7 AM, the kids are half-asleep, and I’m pouring coffee with one hand while sliding this warm, cinnamon-scented slab out of the oven with the other. The magic? It bakes while we get ready, filling the kitchen with the coziest maple-apple aroma. What I love most (besides the fact that my picky 6-year-old devours it) is how the oats stay creamy, the apples turn tender, and that maple syrup caramelizes just enough at the edges. Trust me, this isn’t just breakfast—it’s a hug in a baking dish.

Table of Contents
Table of Contents
Why You’ll Love This Apple Maple Oat Slab
Okay, real talk: why does this slab live rent-free in my kitchen? Let me count the ways!
- So dang easy – Seriously, one bowl, 10 minutes of prep, and you’re done.
- Make-ahead magic – Bake it Sunday, and enjoy perfect breakfasts all week.
- Wholesome & hearty – Oats, apples, and a touch of maple? It’s the good stuff.
- Kid-approved – My kids think it’s dessert for breakfast. I don’t correct them!
Ingredients for Apple Maple Oat Slab
Here’s what you’ll need to make this cozy breakfast magic happen—and yes, every single ingredient matters! I’ve learned through trial and error that the right amounts make all the difference between “good” and “oh-my-gosh-where-has-this-been-all-my-life” good.
- 2 large eggs – They bind everything together beautifully
- 1/4 cup maple syrup – The real stuff, please! None of that pancake syrup nonsense
- 1 cup milk – Any kind works, but whole milk makes it extra creamy
- 2 cups rolled oats – Not instant! We want that hearty texture
- 1 cup diced apple – About one medium apple, skin-on for extra fiber
- 1 teaspoon cinnamon – The warm hug in every bite
- 1 teaspoon baking powder – Our little lift secret
See? Simple, wholesome ingredients that probably already live in your kitchen. Now let’s turn them into breakfast gold!
How to Make Apple Maple Oat Slab

Alright, let’s get baking! This apple maple oat slab comes together so easily, you’ll wonder why you ever bought those expensive breakfast bars. Here’s exactly how I make it—with all my little tricks for perfect results every time.
- Preheat your oven to 350°F (175°C) and grease an 8×8 inch baking dish. Don’t skip this! Cold pans make for uneven baking.
- Whisk the wet ingredients first—eggs, maple syrup, and milk—until they’re completely smooth. No streaks of egg white allowed!
- Stir in the dry ingredients—oats, cinnamon, baking powder—just until combined. Overmixing makes tough oats, and nobody wants that.
- Fold in the apples gently like you’re tucking them into bed. You want them evenly distributed but not smashed.
- Pour into your prepared dish and smooth the top. It’ll look loose now, but trust me, those oats will soak up all that goodness.
- Bake for 35-40 minutes until the edges are golden and the center is set but still slightly soft—like a perfect brownie texture.
- Let it cool for 10 minutes before slicing. I know it’s tempting to dive right in, but this helps it hold together!
Baking Tips for Perfect Apple Maple Oat Slab
Here’s what I’ve learned after making this weekly for years:
- Rotate your pan halfway through if your oven runs hot—it prevents darker edges.
- Check doneness with a light touch—the top should spring back slightly when pressed.
- Err on the side of underbaking—it continues to set as it cools, and dry oat slab is sad oat slab.
Ingredient Substitutions & Notes
Listen, I know pantry situations vary—here’s how to adapt without losing that cozy apple maple magic:
- Milk swap: Almond, oat, or soy milk work beautifully if you’re dairy-free.
- Maple syrup alternative: Honey or agave syrup can pinch-hit in a pinch (though the flavor changes slightly).
- Apple varieties: Use whatever you’ve got! Tart Granny Smiths hold their shape best, but sweet Honeycrisps caramelize gorgeously. If you love apple desserts, check out this apple crumb cake for another great option!
- Egg-free option: Try flax eggs—1 tbsp ground flax + 3 tbsp water per egg.
The only non-negotiable? Rolled oats—instant or steel-cut just don’t give the same texture!
Print
Warm Apple Maple Oat Slab: A 7-Minute Morning Miracle
A warm and hearty breakfast oat slab with sweet apples and rich maple syrup, perfect for busy mornings. It’s easy to make and keeps well for several days.
- Total Time: 50 minutes
- Yield: 9 servings 1x
Ingredients
- 2 large eggs
- 1/4 cup maple syrup
- 1 cup milk
- 2 cups rolled oats
- 1 cup diced apple
- 1 teaspoon cinnamon
- 1 teaspoon baking powder
Instructions
- Preheat your oven to 350°F (175°C) and grease a square baking dish.
- In a medium bowl, whisk together the eggs, maple syrup, and milk until smooth.
- Stir in the rolled oats, cinnamon, and baking powder until well combined.
- Gently fold in the diced apples, ensuring they are evenly distributed throughout the mixture.
- Pour the mixture into the prepared baking dish and spread it out evenly.
- Bake for 35 to 40 minutes, or until the oat slab is set and lightly golden on top.
- Allow it to cool slightly before slicing into squares.
- Store any leftovers covered at room temperature for a few days.
Notes
- Use any variety of apples you prefer.
- For extra flavor, add a pinch of nutmeg or vanilla extract.
- Reheat gently in a microwave or oven if desired.
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1 square
- Calories: 180
- Sugar: 10g
- Sodium: 60mg
- Fat: 4g
- Saturated Fat: 1g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 3g
- Protein: 6g
- Cholesterol: 45mg
Serving & Storing Apple Maple Oat Slab
Here’s how we enjoy this slab—and keep it tasting fresh all week long!
- Serve it warm with a dollop of Greek yogurt and extra maple drizzle—the creamy-tart contrast is heavenly.
- Crunch lovers (like my husband) go nuts—literally! Toasted walnuts or pecans add perfect texture.
- Room temp storage works for 3 days—just cover tightly with foil.
- Freezer hack: Slice cooled slabs, wrap individually in parchment, and freeze for up to 2 months. Pop in the toaster oven to revive!
Pro tip: The flavors deepen overnight—if you can resist eating it all fresh!

Apple Maple Oat Slab Nutrition
Now, I’m no nutritionist—just a mom who likes knowing what’s fueling our busy mornings! These values are estimates per square (based on 9 servings), but hey, who stops at just one piece? Here’s the tasty breakdown:
- 180 calories – Perfect energy boost without the crash
- 6g protein – Thanks to those eggs and oats keeping us full
- 10g sugar – Mostly from the apples and maple syrup (nature’s candy!)
- 3g fiber – All that apple skin and oats doing good work
Remember—actual numbers may vary slightly based on your exact ingredients. But compared to those sugary cereals? This slab wins every time!
FAQs About Apple Maple Oat Slab
I get asked about this recipe all the time—here are the burning questions I hear most often!
Can I use steel-cut oats instead? Oh honey, don’t do it! Steel-cut oats need way more liquid and cooking time. You’ll end up with a crunchy, undercooked mess. Stick with old-fashioned rolled oats—their texture is perfect for this slab.
Is it really freezer-friendly? Absolutely! I freeze individual squares wrapped in parchment all the time. Just pop them in the toaster oven at 300°F for 10 minutes—they taste freshly baked!
Can I reduce the maple syrup? You can, but the texture changes. Try swapping half with unsweetened applesauce if you’re watching sugar. The apples’ natural sweetness still shines through!
Share Your Apple Maple Oat Slab
Did you make this cozy breakfast slab? I’d love to see your creation! Tag me @FrostyRecipes on Instagram—nothing makes me happier than seeing your kitchen adventures. And hey, if you loved it as much as we do, drop a quick rating below! You can also follow along for more updates on Facebook.




