Jar of apple cinnamon overnight oats topped with nuts and cinnamon. Ready to eat!

5-Minute Apple Cinnamon Overnight Oats for Busy

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Written by Caroline Hayes

August 3, 2025

Those chaotic fall mornings when the kids need lunches packed, backpacks mysteriously vanish, and the dog decides now is the perfect time to roll in something questionable? That was me every single September—until I discovered apple cinnamon overnight oats. I’ll never forget the first time I whipped up a batch the night before: waking up to that cozy scent of spiced apples, grabbing a jar from the fridge, and actually enjoying breakfast instead of shoving a granola bar in my mouth while chasing the school bus. It was a revelation. Now, these oats are my secret weapon for busy mornings—the kind of meal prep that feels like a warm hug in a jar. They’re ridiculously easy (we’re talking 5 minutes of effort), taste like autumn in spoonfuls, and keep me full clear past lunch. Even my pickiest kid licks the jar clean. The best part? You can customize them for any diet—dairy-free, gluten-free, you name it. Trust me, once you try them, you’ll be hooked just like I was.

Why You’ll Love These Apple Cinnamon Overnight Oats

Let me tell you why this recipe has become my go-to breakfast—and why you’ll obsess over it too:

  • No cooking required: Just mix, stash in the fridge, and wake up to breakfast already done. Even bleary-eyed, pre-coffee you can handle this.
  • Customizable for EVERY diet: Dairy-free? Use almond milk. Gluten-sensitive? Grab certified GF oats. Watching sugar? Skip the maple syrup. It’s endlessly adaptable.
  • Meal-prep magic: I make five jars every Sunday—boom, weekday breakfasts are done. No more drive-thru temptations.
  • Tastes like fall in a jar: Cinnamon and apple together? Pure cozy vibes. It’s like eating apple pie for breakfast (but way healthier).
  • Weight-loss friendly: Packed with fiber and protein to keep you full. Fits perfectly into balanced meal plans—no sad “diet food” here.

Seriously, it’s the little jar of joy that makes adulting slightly easier.

Ingredients for Apple Cinnamon Overnight Oats

Gathering your ingredients for apple cinnamon overnight oats is like assembling autumn’s greatest hits. Here’s what you’ll need (and yes, I’ve learned a few things through trial and error—like why pre-shredded apples are a sad excuse for the real deal):

  • 1/2 cup rolled oats: Old-fashioned oats work best—quick oats turn mushy, and steel-cut need longer soaking (more on that later).
  • 1/2 cup milk: Whole milk makes it extra creamy, but almond or oat milk are my go-to dairy-free swaps.
  • 1/4 cup grated apple: Freshly grated—none of that pre-packaged nonsense. Peel and grate a crisp Honeycrisp or Fuji right before mixing.
  • 1/2 tsp cinnamon: Don’t skimp! Ceylon cinnamon has the best flavor if you’re feeling fancy.
  • 1 tsp maple syrup (optional): For when you want a touch of sweetness. Skip it if your apples are super ripe.

Fun Toppings (Pick Your Adventure):

  • Chopped walnuts or pecans for crunch
  • A spoonful of almond butter or peanut butter
  • Chia seeds or flaxseeds for extra protein
  • A dollop of Greek yogurt or coconut cream

See? Simple, wholesome, and ready to customize. Now let’s make some magic.

How to Make Apple Cinnamon Overnight Oats

Making apple cinnamon overnight oats is so easy, you’ll laugh at how many mornings you wasted scrambling for breakfast. The key? Layer, stir, and let the fridge do all the work. Here’s my foolproof method—down to the perfect oat-to-milk ratio (because yes, I’ve messed this up so you don’t have to).

Step 1: Combine the Base Ingredients

Grab a mason jar—or any container with a lid—and toss in your oats, milk, grated apple, and cinnamon. Stir vigorously until every oat is swimming in that spiced apple goodness. This isn’t the time for lazy stirring—get in there and make sure no dry pockets remain. The texture should look like a loose, soupy mixture (it thickens overnight, promise!).

Step 2: Refrigerate Overnight

Pop the lid on and let the magic happen in the fridge for at least 6 hours (though 8 is ideal). This wait time transforms crunchy oats into creamy perfection as they soak up all that apple-cinnamon flavor. No cheating with a quicker soak—it’s worth the patience!

Step 3: Add Toppings and Serve

In the morning, go wild with toppings: a handful of toasted walnuts for crunch, a drizzle of almond butter for richness, or extra apple slices for freshness. Eat it cold straight from the jar (my grab-and-go method) or warm it for 30 seconds if you prefer cozy vibes. Either way, you’ve just won breakfast.

Tips for Perfect Apple Cinnamon Overnight Oats

After making these oats every week for years (and yes, suffering through some mushy disasters), I’ve nailed down the tricks for flawless jars every time:

  • Grate apples last-minute: Browning apples = sad, soggy oats. Grate them right before mixing to keep that fresh crunch.
  • Sweeten to taste: Start with 1 tsp maple syrup, then adjust in the morning. Overripe apples? You might skip it entirely!
  • Layer for meal prep: When making multiple jars, line them up like little soldiers and assembly-line your ingredients—oats first, then milk, then toppings. So satisfying!
  • Boost protein: Stir in a scoop of vanilla protein powder or Greek yogurt for a breakfast that keeps you full till lunch.
  • Shake before eating: A quick stir or jar-shake blends any settled cinnamon into creaminess. Pro move: leave your spoon inside overnight—fewer dishes!

These little tweaks? Total game-changers. Your future well-fed self will thank you.

Apple Cinnamon Overnight Oats Variations

Once you’ve mastered the classic version, try these fun twists to keep your breakfasts exciting. My family calls this “playing with our food” – the best kind of experimenting!

  • Pumpkin spice upgrade: Swap half the grated apple for canned pumpkin purée and add a pinch of pumpkin pie spice. Bonus: sprinkle pepitas on top for crunch.
  • Nut butter swirl: Before sealing the jar, drop in a spoonful of almond or peanut butter. In the morning, give it one lazy stir for creamy ribbons throughout.
  • Steel-cut option: Use 1/4 cup steel-cut oats with 3/4 cup liquid—they need 24 hours to soften but make the chewiest, heartiest version (perfect for meal prep Fridays!).
  • Keto hack: Replace oats with chia seeds and use unsweetened almond milk. Sweeten with monk fruit—it still gives that apple-cinnamon comfort without the carbs.
  • Gluten-free guarantee: Simply use certified GF oats (like Bob’s Red Mill). My sister swears by adding toasted coconut flakes for extra texture.

The best part? No variation tastes like “diet food” – just delicious breakfasts that keep things interesting. Go ahead, play with your oats!

How to Store and Meal Prep Apple Cinnamon Overnight Oats

Oh, the joy of opening your fridge to a lineup of ready-to-eat breakfasts! Here’s how I keep my apple cinnamon overnight oats fresh and organized all week:

Stored in airtight jars (I adore my mismatched mason jar collection), these oats stay perfect in the fridge for up to 3 days—though let’s be real, mine never last that long! For freezing, I skip the apple (it gets weird when thawed) and freeze just the oat-milk base. Thaw overnight in the fridge, then stir in fresh grated apple come morning. My secret weapon? Washi tape labels on jar lids—”Wed AM” or “Post-Yoga Treat”—so no more guessing games when I’m half-awake.

Nutritional Benefits of Apple Cinnamon Overnight Oats

Here’s the beautiful thing about apple cinnamon overnight oats—they’re secretly packed with goodness while tasting like dessert! My typical jar clocks in around 250 calories, with 6g of fiber (thanks to those trusty rolled oats and fresh apple) and 8g of protein to keep you full all morning. (Note: Nutritional values are estimates and vary by ingredients.) It’s practically a miracle that something this cozy fits perfectly into weight loss programs or balanced meal plans—the fiber helps stabilize blood sugar, while the protein keeps those mid-morning snack attacks at bay. Even my nutritionist friend gives this recipe two thumbs up!

FAQs About Apple Cinnamon Overnight Oats

I get so many questions about these oats—it’s like everyone wants to invite this easy breakfast into their meal prep routine! Here are the answers to the most common ones that pop up in my inbox (and yes, I’ve taste-tested all these variations myself!):

Can I use steel-cut oats for overnight oats?

Totally! Just be patient—they need 24 hours in the fridge (not just overnight) to soften properly. Use 1/4 cup steel-cut oats with 3/4 cup liquid, and expect a delightfully chewy texture. They’re my weekend meal-prep secret!

Is this apple cinnamon overnight oats recipe gluten-free?

Almost! Plain oats are naturally gluten-free, but they can get contaminated during processing. To be safe, use certified gluten-free oats (like Bob’s Red Mill brand)—then you’re golden! I make this version for my sister’s Celiac support group all the time.

How long do overnight oats in a jar actually last?

In the fridge? Three days max for best texture. The apples start losing their perkiness after that. But here’s a trick—leave the grated apple out when prepping, then stir it in fresh each morning. Your oats will stay crisp-tastic all week!

Can I warm up my cinnamon apple breakfast oats?

Heck yes! Microwave for 30-60 seconds, stirring halfway. Or be fancy—dump the cold oats into a saucepan with a splash of milk and warm gently. Either way, those cozy fall flavors get even more amazing when heated!

What’s the best apple variety for overnight oats?

Honeycrisp or Fuji apples hold their texture best (nobody wants mushy apples!). Granny Smiths add nice tartness if you’re watching sugar. Pro tip: Grate them straight into the jar—no pre-shredding—to prevent browning.

See? No mystery here—just delicious make-ahead oats waiting to simplify your mornings!

Share Your Apple Cinnamon Overnight Oats Creations

I’d love to see how you make this recipe your own! Snap a pic of your spiced-up jars and tag me @CarolineKeepsRecipes—nothing makes me happier than seeing your breakfast masterpieces. What toppings did you fall for? Any brilliant twists I should try? Drop your best ideas in the comments below (I read every single one!).

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Apple Cinnamon Overnight Oats

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A simple, make-ahead breakfast with fall flavors of apple and cinnamon. Perfect for meal prep and customizable with your favorite toppings.

  • Author: Caroline Hayes
  • Prep Time: 5 min
  • Cook Time: 0 min
  • Total Time: 5 min
  • Yield: 1 serving 1x
  • Category: Breakfast
  • Method: No-Cook
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 1/2 cup rolled oats
  • 1/2 cup milk (or dairy-free alternative)
  • 1/4 cup grated apple
  • 1/2 tsp cinnamon
  • 1 tsp maple syrup (optional)
  • 1 tbsp chopped nuts (optional)

Instructions

  1. Combine oats, milk, grated apple, and cinnamon in a jar.
  2. Stir well, then cover and refrigerate overnight.
  3. In the morning, add toppings like nuts or extra apple if desired.
  4. Serve cold or warm slightly in the microwave.

Notes

  • Use almond or oat milk for a dairy-free option.
  • Add chia seeds for extra protein and texture.
  • Prep multiple jars for easy meal planning.

Nutrition

  • Serving Size: 1 jar
  • Calories: 250
  • Sugar: 10
  • Sodium: 50
  • Fat: 5
  • Saturated Fat: 1
  • Unsaturated Fat: 3
  • Trans Fat: 0
  • Carbohydrates: 45
  • Fiber: 6
  • Protein: 8
  • Cholesterol: 5

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Caroline Hayes is the heart and soul behind Recipes To Keep. Inspired by her grandmother's overflowing recipe box from rural Ohio, Caroline has dedicated herself to preserving timeless American classics. She is a passionate home cook and recipe archivist who specializes in testing and perfecting cherished dishes for the modern kitchen. Her goal is to ensure every recipe is a "keeper"—reliable, delicious, and ready to become a part of your family's story.

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