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Strawberry Rhubarb Baked Oatmeal Recipe

Published: Sep 22, 2026 by Ivy · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 3.9 from 49 reviews

If you love breakfast treats that feel like a warm hug in a bowl, you are going to adore this Strawberry Rhubarb Baked Oatmeal Recipe. It’s a beautiful medley of tart rhubarb and sweet strawberries, perfectly nestled in a cozy baked oat base that’s lightly spiced and sprinkled with almonds for extra crunch. Whether you’re looking for a comforting weekend brunch or a make-ahead weekday breakfast, this dish hits every note — fruity, wholesome, and downright comforting all at once.

Ingredients You'll Need

The image shows three parts of making a dish. In the first part, there is a white bowl filled with a light beige liquid batter being whisked with a whisk that has colorful wires, next to a pile of dry rolled oats and sliced red strawberries in a white tray. The second part shows a white tray with evenly spread round slices of banana arranged in one layer. The third part is a close-up of the final layered dish with a rough textured top layer made of oats mixed with small pieces of red fruit and thin white slivers of almonds scattered evenly across. The background surface throughout is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

What’s truly amazing about this recipe is how a handful of simple, wholesome ingredients come together to create such a flavorful and textured delight. Each element plays a crucial role—from the vibrant strawberries and tangy rhubarb providing the fresh, zesty punch, to the oats giving that hearty, chewy comfort you crave in baked oatmeal.

  • 2 ½ cups strawberries (hulled and quartered): Fresh strawberries add natural sweetness and vibrant color that brighten the dish.
  • ¾ cup rhubarb (cut into ½-inch pieces): The tartness from the rhubarb balances the sweet fruit and enriches the flavor.
  • 1 medium ripe banana (sliced thin): Acts as a natural sweetener and base layer that softens beautifully when baked.
  • 1 tablespoon cornstarch: Helps thicken the fruit filling so it sets perfectly without getting watery.
  • ⅓ cup honey: Adds a gentle, floral sweetness with a lovely natural depth.
  • 1 cup uncooked quick oats (use GF oats if Gluten Free): The star ingredient for that soft yet chewy oatmeal texture.
  • ⅓ cup slivered almonds: A crunchy contrast that adds a toasty nutty flavor.
  • ½ teaspoon baking powder: Provides just enough lift to keep the oats tender.
  • ½ teaspoon cinnamon: Warms the dish with subtle spice nuances.
  • Pinch of salt: Enhances all the flavors, bringing balance to sweet and tart.
  • ¾ cup fat free milk (or any milk you desire): Moistens the oats and makes the batter creamy and rich.
  • 1 large egg: Binds everything together for a perfect bake.
  • 1 teaspoon vanilla extract: Adds a fragrant, sweet aroma that makes every bite even more comforting.

How to Make Strawberry Rhubarb Baked Oatmeal Recipe

Step 1: Prepare Your Oven and Baking Dish

Start by preheating your oven to 375° F so it’s ready to welcome your oatmeal goodness. Lightly spray a 9 x 9-inch ceramic baking dish with cooking spray to prevent sticking. Then, arrange the thin banana slices evenly on the bottom. This layer will add natural sweetness and keep the oats from sticking directly to the dish, creating a luscious base.

Step 2: Toss the Fruit Filling

In a large bowl, combine the quartered strawberries and rhubarb pieces. Add the honey for sweetness and sprinkle with cornstarch, tossing everything together until the fruit is well coated. This step ensures the fruit juices won't seep out too much during baking, while infusing the whole dish with juicy tartness and subtle floral notes.

Step 3: Layer the Fruit

Spread the strawberry and rhubarb mixture evenly over the banana slices in your baking dish. This vibrant fruit bed will provide bursts of flavor in every bite and create a wonderfully moist texture beneath the oats.

Step 4: Mix the Dry Ingredients

Grab a medium bowl and stir together the oats, half of the slivered almonds, baking powder, cinnamon, and salt. This aromatic blend brings the oats to life and adds delightful crunch throughout the bake.

Step 5: Combine the Wet Ingredients

In a separate bowl, whisk the remaining honey with milk, egg, and vanilla extract. This smooth mixture is the magic liquid that binds everything and adds creaminess to the oats.

Step 6: Bring It All Together

Pour the wet ingredients into the dry oat mixture, stirring just until combined. Then, distribute this mixture evenly over your fruit layer in the baking dish, making sure to cover it well for a perfect meld of flavors and textures.

Step 7: Add the Crunchy Topping

Sprinkle the remaining slivered almonds over the top. This final touch will bake to a golden crisp, providing the most delightful nutty crunch with each spoonful.

Step 8: Bake to Perfection

Pop your dish into the oven and bake for about 40 minutes until the top is beautifully golden and the oatmeal has fully set. The enticing aroma filling your kitchen at this point is a delicious preview of what’s to come.

How to Serve Strawberry Rhubarb Baked Oatmeal Recipe

A white square baking dish holds a baked oatmeal made with visible layers of red strawberries and pink rhubarb pieces mixed in a soft, textured base. The top layer is sprinkled with light brown granola clusters and pale beige almond slivers, creating a crunchy look. The dish rests on a white marbled surface with a few stalks of rhubarb and a white bowl filled with bright red strawberries in the background. photo taken with an iphone --ar 4:5 --v 7

Garnishes

To elevate your serving, top each portion with a dollop of Greek yogurt or a drizzle of honey. Fresh mint leaves or a sprinkle of extra slivered almonds add a lovely pop of color and texture that guests will love.

Side Dishes

This baked oatmeal pairs wonderfully with a side of crisp bacon or sausage for those who love a savory contrast at breakfast. Alternatively, a fresh fruit salad or a smoothie makes for a bright, healthy side.

Creative Ways to Present

Serve portions in individual ramekins or small mason jars for a charming, portable breakfast option. You could also dust the top with powdered sugar or cinnamon before serving to add an inviting, bakery-style look.

Make Ahead and Storage

Storing Leftovers

Your Strawberry Rhubarb Baked Oatmeal Recipe keeps beautifully in the refrigerator for up to four days. Store it in an airtight container and enjoy it as a swift, nourishing breakfast or snack throughout the week.

Freezing

If you want to save some for later, this baked oatmeal freezes well. Cut it into individual portions, wrap tightly in plastic wrap or foil, and place in a freezer-safe container. It will stay fresh for up to three months.

Reheating

Reheat leftovers in the microwave for about 60 seconds or until warmed through. You can also warm it in the oven at 350° F for 10–15 minutes. Add a splash of milk or a spoonful of yogurt to restore creaminess if needed, and enjoy as if freshly baked.

FAQs

Can I use frozen strawberries and rhubarb?

Absolutely! Frozen fruit works well here if fresh isn’t available. Just be sure to thaw and drain any excess liquid to avoid a watery bake.

Is this recipe gluten-free?

It certainly can be! Just swap regular oats for certified gluten-free oats to keep this Strawberry Rhubarb Baked Oatmeal Recipe safe for gluten sensitivities.

Can I substitute the banana?

The banana acts as a natural sweetener and base, but if you’re not a fan, you can replace it with thin slices of cooked apples or pears—though keep in mind the flavor will vary slightly.

How sweet is this oatmeal?

This recipe strikes a nice balance between sweet and tart, thanks to the honey and rhubarb. If you prefer it sweeter, feel free to add a drizzle of maple syrup or more honey on top when serving.

Can I make this vegan?

Yes! Use a plant-based milk like almond or oat milk, and swap the egg for a flax or chia egg to keep things vegan while maintaining the binding properties you need.

Final Thoughts

This Strawberry Rhubarb Baked Oatmeal Recipe has quickly become a favorite cozy breakfast that’s as nourishing as it is delicious. It’s simple enough for a weekday but special enough to serve to guests or enjoy on a lazy Sunday morning. Give it a try—you’ll be hooked on the blend of tart, sweet, and crunchy goodness in every warm, comforting bite.

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Strawberry Rhubarb Baked Oatmeal Recipe

Strawberry Rhubarb Baked Oatmeal Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.9 from 49 reviews
  • Author: Ivy
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 6 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free
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Description

This Strawberry Rhubarb Baked Oatmeal is a wholesome and comforting breakfast dish featuring sweet strawberries, tangy rhubarb, and a hint of cinnamon baked together with oats and almonds. It’s naturally sweetened with honey and includes a layer of sliced bananas at the bottom for extra flavor and texture. Perfect for meal prepping or a nutritious start to your day, it’s easy to prepare and bakes into a golden, warm casserole.


Ingredients

Fruit Layer

  • 2 ½ cups strawberries, hulled and quartered
  • ¾ cup rhubarb, cut into ½-inch pieces
  • 1 medium ripe banana, sliced thin
  • 1 tbsp cornstarch
  • ⅓ cup honey

Oatmeal Mixture

  • 1 cup uncooked quick oats (use gluten free oats if Gluten Free)
  • ⅓ cup slivered almonds (divided)
  • ½ tsp baking powder
  • ½ tsp cinnamon
  • pinch of salt

Wet Ingredients

  • 1 tbsp honey
  • ¾ cup fat free milk (or any milk you desire)
  • 1 large egg
  • 1 tsp vanilla extract


Instructions

  1. Preheat Oven: Preheat the oven to 375° F to prepare for baking the oatmeal.
  2. Prepare Baking Dish: Lightly spray a 9 x 9-inch ceramic baking dish with cooking spray. Arrange the thinly sliced banana pieces evenly across the bottom of the dish and set aside.
  3. Mix Fruit Layer: In a large bowl, combine the quartered strawberries and rhubarb pieces. Add ⅓ cup honey and sprinkle 1 tablespoon cornstarch over the fruit. Toss thoroughly until the fruit is evenly coated.
  4. Assemble Fruit Layer: Spoon the coated strawberry and rhubarb mixture on top of the banana slices in the baking dish, spreading them evenly.
  5. Combine Dry Oat Ingredients: In a medium bowl, stir together the oats, half of the slivered almonds (about ⅙ cup), baking powder, cinnamon, and a pinch of salt until well mixed.
  6. Mix Wet Ingredients: In a separate bowl, whisk together the remaining 1 tablespoon honey, milk, egg, and vanilla extract until smooth and combined.
  7. Combine Oats and Wet Mixture: Pour the wet ingredients into the bowl with the dry oat mixture, stirring well to evenly moisten the oats.
  8. Top Fruit Layer: Pour the oat mixture evenly over the strawberry and rhubarb layer in the baking dish, spreading to cover all the fruit.
  9. Add Almond Topping: Sprinkle the remaining slivered almonds evenly over the top of the oatmeal layer for added crunch.
  10. Bake: Place the dish in the preheated oven and bake for about 40 minutes, or until the top is golden brown and the oatmeal is set.
  11. Serve: Remove from the oven and serve warm, either directly from the dish or cut into portions.

Notes

  • Use gluten free oats if gluten sensitivity is a concern.
  • Banana slices at the bottom add natural sweetness and prevent sticking.
  • Adjust honey quantity for desired sweetness level.
  • Can be refrigerated and reheated for breakfast meal prep.
  • Substitute milk with any plant-based milk for a dairy-free option.

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Hey, I’m Ivy!

I’m a 28-year-old mom to my little prince, Pitter, who loves cooking and exploring flavors from around the world. What started in my home kitchen is now a space where I share simple, global-inspired recipes made with love.

 

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