Rhubarb Blueberry Baked Oatmeal #SundaySupper

Blueberry Rhubarb Baked Oatmeal

Breakfast is an ever evolving meal in my house. When I was little, I ate cereal, Toaster Strudels, and Eggo waffles like all little kids.  Then by the time I reached middle school, I was super nervous before school, it was too early to think about eating a large meal, and we were in way too much of a hurry, so Mom let me eat a couple of cookies, figuring at least it was something in my stomach for the day ahead.  I rotated between Lorna Doones, Archway Oatmeal Raisin, Chessmen, and a few others.  Once I started homeschooling, I went through a strange Pretzel Goldfish and fruity yogurt phase.  Don’t ask.  I have no explanation.  This was followed by a serious Pop Tart phase.  Not much explanation for that one either.

Then I wanted something healthier and less processed, so I started making muffins.  All different kinds, I never ate the same one two days in a row.  I still love muffins and don’t think I’ll ever get tired of them, but sometimes I want something different.  I’ve already admitted this something different is often pie or cake, clearly the breakfast of champions.

Blueberry Rhubarb Baked Oatmeal

Blueberry Rhubarb Baked Oatmeal

But what about something lighter and healthier?  I made granola, which I can’t wait to make again, and smoothies are a new morning staple along with oatmeal.  Not the Quaker instant packs of my youth, but old fashioned rolled oats.  I load my bowl with dried figs, fresh blueberries and bananas, and tons of cinnamon.  The other day Mom asked if I wanted some oatmeal with my cinnamon.  What can I say?  I love cinnamon.  And okay, sometimes I add marshmallows.  The healthy meal, full of iron, protein, and fiber fills me up and gives me energy for the day without weighing me down.  Plus, I find it to be very comforting.

However, I wanted to mix it up.  When I saw this Blueberry Rhubarb Baked Oatmeal, I instantly knew I needed to make it.  It’s such a creative and delicious spin on traditional oatmeal.  Plus, it’s pretty easy to put together.  Mom was a rock star and made it last weekend so we could eat it for breakfast hot out of the oven.  The blueberries really take over the rhubarb, but I didn’t mind, as I love blueberries, plus this Sunday Supper is all about berries.  Many burst and bubbled up on the sides, making the dish as pretty as it is tasty.  Vanilla and cinnamon shine through the perfectly cooked and creamy oatmeal.  Walnuts add a welcome crunch and I loved the banana flavor.  I bet you could add extra banana to intensify that flavor.  Plus leftovers are just as good whether cold from the refrigerator or warmed in the microwave.  Oh, and did I mention it’s also vegan and gluten free as long as you use gluten free oats?  I can’t wait to make this again and see where else my breakfast adventure leads.

Blueberry Rhubarb Baked Oatmeal

Don’t forget to check out all the other Sunday Supper dishes!

Breakfast & Brunch

Sweet & Savory Berry Recipes

Jams, Jelly, Sauces & More


Cocktails, Drinks & Smoothies

Party Planning


Check back on Sunday for all of wonderful Summer Berries recipes! We’d love if you joined our #SundaySupper chat on   Twitter too: we’ll tweet throughout the day and share all of our recipes. Then at 7:00pm EST we’ll start our weekly chat. Please jump in anytime and join us!  To join in, just follow the #SundaySupper hashtag, and remember to include it in your tweets. You can also check out our #SundaySupper Pinterest board for more delicious recipes and photos.

Blueberry Rhubarb Baked Oatmeal

Rhubarb Blueberry Baked Oatmeal #SundaySupper

Prep Time: 20 minutes

Cook Time: 45 minutes

Yield: 6 servings


1 ¾ cups rolled oats (I used Bob’s Red Mill Gluten Free)

½ cup walnuts

¼ cup + 2 tablespoons oat flour, divided (I used Bob’s Red Mill Gluten Free)

¼ cup packed light brown sugar

2 teaspoons ground cinnamon

1 teaspoon baking powder

½ teaspoon kosher salt

2 cups almond milk

1 ½ cups rhubarb, thinly sliced, about ¼ inch thick

1 2/3 cups blueberries

1 large banana, mashed

2 tablespoons pure maple syrup

2 tablespoons vegetable oil

1 tablespoon pure vanilla extract


Preheat oven to 350 degrees F. Lightly oil and 8 or 9 inch square baking pan.

In a large bowl, stir together oats, walnuts, ¼ cup oat flour, cinnamon, baking powder, and salt.

In the baking dish stir together the rhubarb, 1 1/3 cups of the blueberries, 2 tablespoons of the oat flour, and the brown sugar. Spread into an even layer. Top with the dry ingredients.

In a medium bowl, whisk together milk, banana, maple syrup, oil, and vanilla. Pour the wet ingredients over the oat mixture in the baking dish. Carefully bang the pan on the counter a couple of times before poking the oatmeal with a fork, making sure to get all the way to the bottom. You want the wet ingredients to soak into the oatmeal, but do not stir the mixture. Top with reserved 1/3 cup blueberries.

Bake for 35-45 minutes, until lightly browned, bubbling, and the top is set. It should still be gooey and moist underneath. Serve hot from the oven. May be stored in the refrigerator for up to 3 days. Leftovers can be eaten cold or reheated in the microwave in 30 second increments until warmed through.


Recipe adapted from Edible Perspective


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  1. I have wanted to try a make ahead oatmeal for us to eat during the week. This sounds great! Love warm blueberries.

  2. Looks amazing! I should make this for breakfast this morning!!!!

  3. Diana @GourmetDrizzles says:

    I’m still in a pop tart phase… 😉 And wow, this looks yummy! I love the combination of rhubarb and blueberries. And yes, a much healthier option too- thanks for posting!

  4. I adore oatmeal and with berries it´s even better. Hot out of the oven for brunch, amazing!

  5. This oatmeal sounds delicious! A perfect weekend breakfast!

  6. Baked oatmeal is my way to trick myself into thinking I’m eating cake! I love it when it’s hot or cold.

  7. This looks really yummy! I love the idea of making this in advance and having an easy breakfast during the week!

  8. What a fantastic idea! I love rhubarb and usually combine it with strawberries, the combo with blueberry sounds very intriguing to me. Love this recipe. Thank you for sharing!

  9. I’ve made baked blueberry oatmeal before but I’m loving your addition of the rhubarb! i bet that made for a wonderful breakfast.

  10. Wow! I’ve never seen blueberry and rhubarb used together, but I love the idea! And baked oatmeal is one of my all time favorite breakfasts!

  11. Great recipe for breakfast. Love blueberries and oatmeal!

  12. Its a good idea for a great breakfast.

  13. Absolutely love this recipe! I need to try this out for sure.

  14. Looks delicious. I love rhubarb and everyone keeps posting about it.

  15. This sounds delicious! You know, I have never made a baked oatmeal before…it sounds so comforting and perfect!

  16. As somebody who goes through food phases myself, I appreciated reading about all of your different breakfasts over the years 🙂 I got hooked on Frosted Flakes once for some reason. But not just for breakfast. Like, breakfast, lunch, and dinner. The meal of champions for a college kid, apparently?

    • I love Frosted Flakes. Cereal for lunch or dinner is always good. I’ll also eat eggs any time of day.

  17. Oh, your breakfast sounds amazing! A bit of pie with my oatmeal…big time yummy!

  18. I love rhubarb, so this is on my list for sure!

  19. I would adore something like this for breakfast!! Great idea!!

  20. Good to the last lick! Love this wholesome and healthy combo, Laura =)

    And you’re right; there is something so comforting about oatmeal. Plus it is a stick to your ribs kind of goodie which gives you energy to bake some more yummies!

  21. That is one spectacular meal! I’m loving all those berries

  22. I was never allowed Eggos or Pop Tarts for breakfast, but I did eat spaghetti and chicken fingers for breakfast every weekday for a whole school year when I was about 10! Baked oatmeal is delicious and looks like a perfect use for my rhubarb!

    • Spaghetti and chicken fingers sounds like a pretty awesome breakfast, especially when you’re a kid. I can imagine going to school and telling everyone I ate chicken fingers for breakfast 🙂

  23. I’ve never cooked with rhubarb before. I think I need to try it…starting with this recipe. It looks soooo good. I always love looking at your pictures. Everything always looks so delicious. 🙂

  24. I think this could actually make me like oatmeal for breakfast.

  25. LOVE LOVE LOVE this creation! WOW!!! This would start my day off perfectly!

  26. I’ve always wanted to bake oatmeal for breakfast! Mmmm I love oatmeal, especially with blueberries!

  27. I’m seeing rhubarb recipes everywhere lately…I think it’s a sign!! I need to make this! Looks amazing…

  28. This is the perfect recipe for breakfast. I love oatmeal. The addition of blueberries and walnuts sounds amazing. I also love the idea of using it to make smoothies!

  29. Oh I’d love to wake up to this every morning!Love the spice and the rhubarb in there!So yummy and so healthy 🙂

  30. What a great combo, I am addicted to anything rhubarb.

  31. I’ve been baking lots of things with blueberries lately, and I need to add this to the list. Sounds like a great breakfast!

  32. delicious and scrumptious treat 😀

  33. This is very healthy and filing, no doubt. The breakfast of champions!

  34. I love muffins too. . just the top part! 😛 this looks sooo good! Love blueberry and oatmeal together! brilliant!

  35. Goodness girl, that looks and sounds amazing. Rhubarb is one of my all time favorite foods. I have been dreaming of a blueberry baked oatmeal with coconut milk lately, but add Rhubarb and that is genius! Sounds like the perfect way to start the day!

    • Coconut milk would be awesome in this! Actually, I think a little shredded coconut would be awesome too. Thanks, Bettie, and thanks for stopping by 🙂

  36. I’ll have to try this. I love my baked banana blueberry oatmeal but this one looks like a winner, too!

  37. I never had blueberry and rhubarb together, sounds like a good combo.

  38. I have yet to have baked oatmeal. Looks great and love how easy it is for prepping breakfast in am!!

  39. I love this idea. I have never tried baked oatmeal but it looks great. And I have tons of rhubarb that needs using up so this is perfect

  40. The idea of making oatmeal ahead of time is something I have been playing around with for a while. I am always looking for something quick and easy that I can grab on my way out the door to work. I will definitely be trying this recipe out very soon!

  41. Ooh this looks and sounds so yummy ! Not to mention healthy. Have to make this before rhubarb season goes away !

  42. I made this yesterday and it is absolutely delicious!! I was missing oat flour, so I just put regular flour in with the berries and omitted it from the other part of the recipe. Turned out great – delic!

  43. I love that you made a baked oatmeal with rhubarb! I’m in love with it and want to use it so many places. This looks and sounds terrific!


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