Baked Oatmeal Recipe: Apple Cinnamon

There’s something undeniably comforting about waking up to the warm, spiced aroma of apple cinnamon baked oatmeal filling your kitchen. This recipe is a hug in a bowl—a wholesome, hearty breakfast that’s as nourishing as it is delicious. Whether you’re meal prepping for busy mornings or hosting a cozy brunch, this apple cinnamon baked oatmeal is a crowd-pleaser that never disappoints. With tender oats, sweet apples, and a hint of warming cinnamon, it’s the perfect balance of texture and flavor. Let’s dive in!

Why You’ll Love This Recipe

If you’re on the fence about trying baked oatmeal, let me share why this apple cinnamon version deserves a spot in your recipe rotation:

• Effortless and Versatile – This baked oatmeal recipe is simple to prepare, requiring just one bowl and minimal prep. It’s also incredibly adaptable—swap fruits, nuts, or sweeteners to suit your taste.
• Meal Prep Friendly – Bake a batch on Sunday, and you’ll have breakfast ready for the entire week. It reheats beautifully, making busy mornings a breeze.
• Family-Approved – Kids and adults alike adore the sweet, comforting flavors of apple and cinnamon. It’s a nutritious way to start the day without sacrificing taste.
• Naturally Wholesome – Packed with fiber from oats and apples, this dish keeps you full and energized. Plus, you can easily make it dairy-free or gluten-free if needed.
• Perfect for Any Occasion – Serve it warm for breakfast, as a dessert with a scoop of vanilla yogurt, or even as a brunch centerpiece alongside fresh fruit.

Ingredients Breakdown

Every ingredient in this apple cinnamon baked oatmeal plays a key role in creating the perfect texture and flavor. Here’s what you’ll need:

• Old-Fashioned Rolled Oats – The star of the dish, providing a chewy, hearty base. Avoid quick oats, as they can turn mushy.
• Apples – Choose sweet-tart varieties like Honeycrisp or Granny Smith for the best flavor and texture. They add natural sweetness and moisture.
• Cinnamon & Nutmeg – These warming spices enhance the cozy, autumnal vibe of the dish.
• Milk – Use dairy or plant-based milk (like almond or oat milk) for creaminess.
• Eggs – They bind the ingredients together, giving the oatmeal a soft, custard-like texture.
• Maple Syrup or Honey – A natural sweetener that complements the apples beautifully.
• Baking Powder – A small amount ensures the oatmeal rises slightly for a light, fluffy texture.
• Vanilla Extract – Adds depth and warmth to the overall flavor.
• Chopped Nuts (Optional) – Walnuts or pecans add a delightful crunch.

How to Make Baked Oatmeal Recipe: Apple Cinnamon

Follow these simple steps for a foolproof apple cinnamon baked oatmeal every time:

1. Preheat and Prep – Preheat your oven to 375°F and lightly grease a 9×9-inch baking dish with butter or non-stick spray.
2. Mix Dry Ingredients – In a large bowl, combine the rolled oats, baking powder, cinnamon, nutmeg, and a pinch of salt.
3. Whisk Wet Ingredients – In another bowl, whisk together the milk, eggs, maple syrup, and vanilla until smooth.
4. Combine and Fold – Pour the wet mixture into the dry ingredients and stir until just combined. Gently fold in the diced apples and nuts (if using).
5. Bake to Perfection – Transfer the mixture to the prepared baking dish and spread evenly. Bake for 35-40 minutes, or until the top is golden and the center is set.
6. Cool and Serve – Let it cool for 5-10 minutes before slicing. Serve warm with a drizzle of maple syrup or a dollop of yogurt.

Pro Tips for the Best Results

• Don’t Overmix – Stir the batter just until combined to avoid a dense texture.
• Use Fresh Apples – Freshly diced apples provide better texture than pre-packaged slices.
• Adjust Sweetness – Taste your apples before adding them—if they’re very sweet, reduce the maple syrup slightly.
• Toast the Nuts – For extra flavor, lightly toast walnuts or pecans before adding them to the batter.
• Check for Doneness – Insert a toothpick into the center; if it comes out clean, your baked oatmeal is ready.

Variations and Substitutions

This recipe is wonderfully adaptable. Here are some delicious twists to try:

• Gluten-Free – Use certified gluten-free oats.
• Dairy-Free – Swap regular milk for almond, coconut, or oat milk.
• Vegan – Replace eggs with flax eggs (1 tbsp ground flaxseed + 3 tbsp water per egg).
• Fruit Variations – Try pears, blueberries, or bananas instead of apples.
• Protein Boost – Stir in a scoop of vanilla protein powder or top with Greek yogurt.

What to Serve With It

While this apple cinnamon baked oatmeal is delicious on its own, pairing it with the right sides can elevate your meal:

• Yogurt or Whipped Cream – A dollop of Greek yogurt or lightly sweetened whipped cream adds creaminess.
• Fresh Fruit – Sliced strawberries, bananas, or a berry compote complement the flavors.
• Nut Butter Drizzle – Almond or peanut butter adds richness and protein.
• Hot Beverages – Serve with coffee, chai tea, or a spiced apple cider.

How to Store and Reheat

This baked oatmeal keeps well, making it ideal for meal prep:

• Refrigeration – Store leftovers in an airtight container for up to 5 days.
• Freezing – Slice into portions, wrap tightly, and freeze for up to 3 months. Thaw overnight in the fridge before reheating.
• Reheating – Warm individual servings in the microwave for 1-2 minutes or in a 350°F oven for 10-15 minutes. Add a splash of milk if needed to restore moisture.

Frequently Asked Questions (FAQs)

Can I use steel-cut oats instead of rolled oats?

No, steel-cut oats require much longer cooking and won’t yield the same texture. Stick with old-fashioned rolled oats for the best results.

Can I make this recipe ahead of time?

Absolutely! Assemble the mixture the night before, cover, and refrigerate. Bake it in the morning for a fresh, hot breakfast.

Why is my baked oatmeal too dry?

Overbaking or using too few wet ingredients can cause dryness. Check for doneness at the 35-minute mark and ensure your measurements are accurate.

Can I reduce the sugar in this recipe?

Yes! The natural sweetness of apples means you can reduce the maple syrup by half if preferred.

Is this recipe freezer-friendly?

Yes, baked oatmeal freezes beautifully. Slice before freezing for easy portioning.

Final Thoughts

There’s a reason this apple cinnamon baked oatmeal has become a staple in my kitchen—it’s simple, satisfying, and endlessly customizable. Whether you’re savoring a warm slice on a lazy weekend morning or grabbing a pre-portioned square on a hectic weekday, it never fails to deliver comfort and nourishment. I hope this recipe brings as much joy to your table as it does to mine. Happy baking!