Baked Oatmeal with Nuts, Seeds and Fruit

Looking for an easy breakfast you can prepare ahead of time? This Baked Oatmeal with Nuts and Fruit , seeds, apple, and banana is a simple way to turn everyday ingredients into a warm, satisfying breakfast.

It has a soft, cake-like texture with lightly crisp edges, while the fruit adds natural sweetness and the nuts and seeds add plenty of texture. It is also easy to customize with the ingredients you already have at home.

Whether you serve it warm for breakfast or cut it into portions for meal prep, this baked oatmeal is an easy recipe to keep in your weekly rotation.

Why You’ll Love This Baked Oatmeal

• Easy to prepare in one bowl
• Made with oats, fruit, nuts, and seeds
• Naturally sweetened with ripe banana and apple
• Easy to prepare ahead of time
• Simple to customize with different fruits and nuts
• Delicious warm or cold
• Great for breakfast or an afternoon snack

Ingredients

• 1 cup rolled oats
• 1/2 cup oat flour
• 1 ripe banana, mashed
• 1 apple, peeled and finely diced
• 1/2 cup chopped walnuts
• 1 tablespoon sunflower seeds
• 1 tablespoon sesame seeds
• 1 teaspoon ground cinnamon
• 1 cup unsweetened oat milk or almond milk
• 1 tablespoon maple syrup or honey, optional
• 1 teaspoon vanilla extract
• 1 teaspoon baking powder
• Pinch of salt

How to Make Baked Oatmeal with Nuts and Fruit

1. Prepare the Oven

Preheat the oven to 180°C (350°F).

Lightly grease an 8-inch square baking dish or line it with parchment paper.

2. Prepare the Fruit

Mash the banana in a large mixing bowl.

Peel and finely dice the apple. Keeping the apple pieces fairly small helps them soften while the oatmeal bakes.

3. Combine the Ingredients

Add the rolled oats, oat flour, chopped walnuts, sunflower seeds, sesame seeds, cinnamon, baking powder, and salt to the bowl.

Stir to combine.

Add the oat milk, vanilla extract, mashed banana, diced apple, and optional maple syrup or honey. Mix until everything is evenly combined.

The mixture should be moist but not runny.

4. Transfer to the Baking Dish

Pour the mixture into the prepared baking dish and spread it evenly.

For a little extra texture, sprinkle a few chopped walnuts or seeds over the top.

5. Bake

Bake for 30–40 minutes, or until the center is set and the top is lightly golden.

The exact baking time can vary depending on the size and depth of your baking dish.

6. Cool and Serve

Allow the baked oatmeal to cool for about 10 minutes before slicing.

Serve warm on its own, or add fresh fruit, yogurt, nut butter, or a small drizzle of maple syrup.

Tips & Variations

• Add raisins, dates, or dried cranberries for natural sweetness.
• Mix in chia seeds or flaxseeds for extra fiber.
• Replace apple with pear, berries, or peaches.
• Add vanilla extract or nutmeg for deeper flavor.

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Why You’ll Love This Recipe

• Easy and beginner-friendly
• Naturally vegan and dairy-free
• Great for meal prep
• Budget-friendly ingredients
• Keeps you full for hours
• Kid-approved and lunchbox-friendly
• Perfect balance of taste and nutrition

Easy Variations

One of the best things about baked oatmeal is how easy it is to adapt.

Use different fruit:
Try pears, blueberries, strawberries, peaches, or chopped dried fruit instead of the apple.

Change the nuts:
Walnuts can be replaced with almonds, pecans, or hazelnuts.

Add more seeds:
Chia seeds or ground flaxseed can be added to the mixture.

Add warm spices:
Cinnamon works especially well, but you can also add a little nutmeg or ginger.

Make it chocolatey:
Add a tablespoon or two of unsweetened cocoa powder and a few dark chocolate chips.

Tips for the Best Baked Oatmeal

• Use rolled oats rather than quick oats for a better texture.
• A ripe banana adds natural sweetness and moisture.
• Cut the apple into small pieces so it softens during baking.
• Don’t overbake the oatmeal or it can become dry.
• Let it rest for a few minutes before cutting so the slices hold together.
• If you prefer softer oatmeal, add a little extra milk before baking.

How to Serve Baked Oatmeal

This baked oatmeal is versatile enough for different occasions.

For breakfast, serve it warm with fresh berries, sliced banana, yogurt, or nut butter.

For meal prep, cut the cooled oatmeal into individual portions and store them in containers so they’re ready to grab during the week.

You can also enjoy a piece cold as a quick snack. High Protein Lunch Ideas: 15 Easy Favorites

Make-Ahead and Storage

Baked oatmeal is a convenient make-ahead breakfast.

Refrigerator:
Allow it to cool completely, then store it in an airtight container in the refrigerator for up to 5 days.

Freezer:
Cut it into individual portions and freeze in airtight containers or freezer-safe bags for up to 2 months.

Reheating:
Warm individual portions in the microwave for about 30–60 seconds, or reheat them in a low oven until warmed through. Add a splash of milk if the oatmeal seems dry.

Frequently Asked Questions

Can I make baked oatmeal without added sweetener?

Yes. If your banana is very ripe and the apple is naturally sweet, you may find that no additional sweetener is necessary.

Can I use quick oats instead of rolled oats?

Yes, but the texture will be softer. Rolled oats generally give baked oatmeal a more satisfying texture.

Can I make this recipe gluten-free?

Yes. Use certified gluten-free oats and gluten-free oat flour if you need the recipe to be gluten-free.

Can I make baked oatmeal without nuts?

Absolutely. Simply leave out the walnuts or replace them with additional seeds such as sunflower or pumpkin seeds.

Can I prepare baked oatmeal the night before?

Yes. You can prepare the mixture, cover it, refrigerate it overnight, and bake it the next morning. If the mixture looks very thick after refrigeration, stir in a small splash of milk before baking.

Why is my baked oatmeal dry?

Overbaking is one of the most common reasons. Make sure you measure the liquid correctly and remove the oatmeal from the oven once the center is set.

For more information about the nutritional properties of oats, see Harvard T.H. Chan School of Public Health’s overview of oats.

Final Thoughts

This baked oatmeal with nuts, seeds, apple, and banana is a practical breakfast that is easy to prepare and simple to customize. The combination of soft fruit, chewy oats, crunchy nuts, and seeds gives it plenty of texture without requiring complicated ingredients.

Prepare one batch ahead of time, store it in portions, and you’ll have an easy breakfast ready whenever you need it.