Apple Cinnamon Oatmeal Bake

Featured in breakfast-brunch.

Picture this: you wake up to the most incredible aroma of cinnamon and baked apples filling your kitchen. This isn't just any breakfast – it's the kind that makes everyone rush to the table! Look at that gorgeous golden streusel topping, all crispy and sweet, hiding layers of tender apple chunks nestled in creamy, spiced oatmeal. The best part? You can prep this the night before and just pop it in the oven in the morning. Imagine serving this warm from the oven, maybe with a drizzle of maple syrup or a dollop of vanilla yogurt. It's comfort food at its finest, and trust me, once you make this, it'll become your go-to weekend breakfast. The texture is absolute perfection – creamy oats, soft apples, and that irresistible crunchy topping that everyone fights over!

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Updated on Sat, 11 Oct 2025 15:04:16 GMT
Main recipe image showcasing the final dish pin it
Rustic apple cinnamon baked oatmeal in white ceramic dish with golden streusel topping | lonerecipes.com

I first discovered this incredible baked oatmeal recipe at a small Amish farmhouse bed and breakfast during a fall road trip through Pennsylvania. The innkeeper served it fresh from the oven, and I was immediately captivated by the contrast between the crunchy, buttery streusel top and the creamy, apple-studded oatmeal beneath. It wasn't the mushy, boring oatmeal I'd grown up with – this was something entirely different. The apples were perfectly tender, the cinnamon was fragrant but not overpowering, and every bite had this wonderful textural variety. I begged for the recipe, and she graciously shared it, explaining that it had been passed down through generations of Amish cooks who knew how to make simple ingredients shine. What makes this recipe special is how it transforms humble oats into something that feels almost decadent. The eggs and milk create a custard-like consistency that holds everything together, while the brown sugar and cinnamon bring warmth and depth. It's hearty enough to keep you full until lunch, yet light enough that you don't feel weighed down. This is the kind of breakfast that turns ordinary mornings into special occasions.

Why I love this recipe

What I absolutely love about this recipe is how it manages to be both practical and indulgent at the same time. As someone who's not a morning person, I appreciate that I can assemble it the night before and just bake it when I wake up – no complicated steps or early morning stress. But despite being so easy, it tastes like something you'd order at a fancy brunch spot. The aroma that fills the house while it's baking is worth making it for that alone! I also love how versatile it is – I've made it for holiday gatherings, weekend brunches, and even as a comforting dessert. It's a recipe that works for any skill level, from beginner cooks to experienced bakers. The fact that it uses wholesome ingredients like oats and apples makes me feel good about serving it to my family, but it's so delicious that everyone thinks it's a treat. Plus, leftovers reheat beautifully, which means easy breakfasts all week. This recipe has truly become one of my most-used, most-loved breakfast dishes, and I can't imagine my fall and winter mornings without it.

What You Need From Your Kitchen

  • Rolled Oats: Use old-fashioned rolled oats for the best texture; quick oats will become too mushy
  • Apples: Peel and dice into 1/2-inch cubes for even cooking throughout the dish
  • Brown Sugar: Adds sweetness and caramel notes; can substitute with coconut sugar or maple syrup
  • Milk: Use your preferred type - dairy, almond, oat, or soy milk all work perfectly
  • Eggs: Bind the ingredients together and create a custard-like texture when baked
  • Cinnamon: Use fresh ground cinnamon for the most aromatic and flavorful results

Let's Make These Together

Prepare Your Ingredients
Start by preheating your oven to 350°F and greasing your baking dish. Peel and dice your apples into uniform pieces so they cook evenly. Gather all your ingredients and measure them out before you begin mixing – this makes the process so much smoother and more enjoyable.
Create the Base Mixture
In a large bowl, whisk together your eggs, milk, vanilla, and brown sugar until everything is beautifully combined. This creates the custard-like base that makes this baked oatmeal so creamy and delicious. Take your time whisking to ensure the sugar dissolves completely.
Combine Everything Together
Add your oats, cinnamon, baking powder, and salt to the wet mixture. Stir gently but thoroughly until every oat is coated with the liquid. Then fold in those gorgeous apple pieces, making sure they're distributed evenly throughout the mixture.
Top and Bake to Perfection
Pour your oatmeal mixture into the prepared baking dish and smooth the top. Sprinkle your streusel topping generously over the surface – don't be shy! Slide it into the oven and bake for 40-45 minutes until it's golden and set. Your kitchen will smell absolutely amazing!
Additional recipe photo showing texture and details pin it
Warm breakfast baked oatmeal with apple chunks and crunchy oat topping on marble counter | lonerecipes.com

Switch Things Up

I remember the first time I made this on a chilly autumn morning when my sister's family came to visit. I was nervous about feeding five hungry people, including two picky kids, but this dish was my secret weapon. I prepped everything the night before, and when I woke up, I just slid it into the oven. The smell alone brought everyone to the kitchen before it was even done! My nephew, who usually turns his nose up at anything healthy, had two servings and asked if we could have it again the next day. What I love most is how forgiving this recipe is – sometimes I use Granny Smith apples for tartness, other times Honeycrisp for sweetness. I've even thrown in some chopped pecans when I'm feeling fancy. On rushed weekday mornings, I'll reheat a portion in the microwave, and it still tastes incredible. It's become my Sunday tradition now, and there's something so satisfying about pulling that golden, bubbling dish from the oven.

Perfect Pairings

This baked oatmeal pairs wonderfully with a variety of accompaniments that elevate the breakfast experience. Serve it alongside crispy bacon or breakfast sausage for a sweet-and-savory combination that satisfies all taste preferences. A dollop of Greek yogurt or whipped cream adds a luxurious creaminess, while a drizzle of pure maple syrup or honey enhances the natural sweetness. For a complete brunch spread, pair it with fresh fruit salad, scrambled eggs, or a warm cup of spiced chai or coffee. The oatmeal also works beautifully with caramelized bananas, toasted nuts, or a scoop of vanilla ice cream for a dessert-style treat.

Step-by-step preparation photo pin it
Homemade Amish style baked oatmeal with fresh apples and cinnamon streusel in baking dish | lonerecipes.com

Frequently Asked Questions

→ Can I make this recipe dairy-free?

Absolutely! Simply substitute the regular milk with your favorite plant-based milk like almond, oat, or coconut milk. The recipe works perfectly with dairy-free alternatives and tastes just as delicious.

→ How do I know when the baked oatmeal is done?

The oatmeal is done when the top is golden brown and the center is set – it should jiggle slightly but not be liquid. You can also insert a knife in the center; it should come out mostly clean. The internal temperature should reach about 165°F.

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

It's not recommended to substitute steel-cut oats in this recipe as they require much longer cooking times and more liquid. Stick with old-fashioned rolled oats for the best texture and results.

→ How should I store leftovers?

Store leftover baked oatmeal covered in the refrigerator for up to 5 days. You can reheat individual portions in the microwave for 1-2 minutes, or reheat the entire dish covered in a 350°F oven for about 15-20 minutes until warmed through.

→ Can I freeze this baked oatmeal?

Yes! This recipe freezes wonderfully. Cut it into individual portions, wrap each piece tightly in plastic wrap and then aluminum foil, and freeze for up to 3 months. Thaw overnight in the refrigerator and reheat as desired.

→ What other fruits can I use besides apples?

You can substitute or add other fruits like fresh or frozen berries, peaches, pears, or bananas. Just keep the total amount of fruit similar to what the recipe calls for, and adjust baking time slightly if using very juicy fruits.

→ Can I reduce the sugar in this recipe?

Yes, you can reduce the brown sugar to 1/4 cup if you prefer a less sweet version. Keep in mind that apples will add natural sweetness as well. You can also use mashed banana or applesauce to add sweetness without refined sugar.

Conclusion

This Amish-Style Apple Cinnamon Baked Oatmeal is more than just breakfast – it's a warm hug in a dish. The combination of tender apples, aromatic cinnamon, and that irresistible crunchy streusel topping creates a breakfast experience that's both nourishing and indulgent. Whether you're feeding a crowd on a lazy Sunday morning or meal-prepping for the week ahead, this recipe delivers comfort and flavor in every bite. It reheats beautifully, so you can enjoy that fresh-baked taste all week long. Make it once, and it'll become a beloved staple in your breakfast rotation!

Apple Cinnamon Oatmeal Bake

A cozy baked oatmeal dish loaded with tender apples, warm cinnamon, and a golden streusel topping that's perfect for breakfast or brunch gatherings.

Prep Time
15 Minutes
Cook Time
45 Minutes
Total Time
60 Minutes
By: chris

Category: breakfast-brunch

Difficulty: easy

Cuisine: American Amish

Yield: 8 Servings (8 balls)

Dietary: Vegetarian, Dairy-Free Option

Ingredients

012 cups old-fashioned rolled oats
023 medium apples, peeled and diced
032 teaspoons ground cinnamon
041/2 cup brown sugar
052 cups milk or almond milk
062 large eggs
071 teaspoon vanilla extract
081/2 teaspoon baking powder
091/4 teaspoon salt
101 cup oat streusel topping

Instructions

Step 01

Preheat your oven to 350°F (175°C). Grease a 9x9 inch baking dish or similar sized casserole dish with butter or cooking spray and set aside.

Step 02

In a large mixing bowl, whisk together the eggs, milk, vanilla extract, and brown sugar until well combined and smooth. The mixture should be slightly frothy.

Step 03

Add the rolled oats, cinnamon, baking powder, and salt to the wet ingredients. Stir everything together until all the oats are fully coated and incorporated.

Step 04

Gently fold the diced apples into the oatmeal mixture, ensuring they're evenly distributed throughout. Pour the entire mixture into your prepared baking dish, spreading it out evenly.

Step 05

Sprinkle the oat streusel topping evenly over the surface of the oatmeal mixture. Bake in the preheated oven for 40-45 minutes, until the top is golden brown and the center is set. Let it cool for 5 minutes before serving warm.

Notes

  1. You can prepare this the night before and refrigerate it unbaked. Just add 5-10 minutes to the baking time if baking from cold.
  2. For a crunchier streusel topping, mix together 1/2 cup oats, 1/4 cup flour, 1/4 cup brown sugar, and 3 tablespoons melted butter.
  3. Granny Smith or Honeycrisp apples work best for this recipe as they hold their shape during baking.
  4. This baked oatmeal reheats beautifully in the microwave for quick weekday breakfasts. Store covered in the refrigerator for up to 5 days.
  5. For added protein, stir in 1/4 cup of chopped nuts like pecans or walnuts into the oatmeal mixture.

Tools You'll Need

  • 9x9 inch baking dish
  • Large mixing bowl
  • Whisk
  • Measuring cups and spoons
  • Cutting board and knife

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Eggs
  • Dairy (if using regular milk)
  • Gluten (if using non-certified gluten-free oats)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 285
  • Total Fat: 8 g
  • Total Carbohydrate: 48 g
  • Protein: 6 g

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