Baked Rhubarb Oatmeal is the perfect way to enjoy fresh rhubarb! This is one of those healthy breakfast recipes that is perfect for rhubarb season. Plus, you can prep this baked oatmeal ahead of time so it's ready to enjoy when everyone wakes up the next morning.
Be sure to try this Strawberry Baked Oatmeal and this Blueberry Lemon Baked Oatmeal for two other oatmeal varieties with fruity flavors.
Tart rhubarb paired with sweet berries gives this baked oatmeal the perfect balance of flavor. You can use fresh strawberries during strawberry season, or a combination of any berries that you enjoy. (Or you can totally leave the berries out if you want!)
Before You Get Started
- If using frozen berries, there is no need to thaw them first.
- Chop the rhubarb into small pieces so it softens evenly while baking.
- For a sweeter oatmeal, add a little extra sugar or drizzle with maple syrup before serving.
Ingredients
- Old-fashioned oats - This variety of oats gives a good base and texture for baked oatmeal recipes like this. Use gluten-free rolled oats, if desired.
- Rhubarb - It needs to be chopped up into small pieces before adding.
- Berries - You can use fresh or frozen. I used fresh blueberries and frozen strawberries in this. Berries are optional if you don't want to use them.
- Whole milk - Helps to thin out the mixture.
- Eggs - A binding agent.
- Sugar - For added sweetness.
- Baking powder - Helps with the texture.
- Vanilla extract - For flavoring.
- Salt - Just a pinch is needed.
See recipe card for quantities.
How to Make Baked Rhubarb Oatmeal
Preheat the oven to 350 degrees. Add cooking spray to an 8x8-inch baking dish.
Step One: Add the oats to a baking dish. Top with the diced rhubarb and berries.
Step Two: Blend the rest of the ingredients. A blender works best for this step, but a large bowl and a hand mixer work too.
Step Three: Pour the egg mixture into the dish and gently stir the oat mixture.
Step Four: Place the dish into the oven and bake for 40-45 minutes or until it is no longer jiggly. The rhubarb should be fork-tender and the top golden brown.
Top Tip
To prep and make this overnight, it's easy. Simply follow the steps up to the point of baking it. Store it in the fridge, then remove it in the morning and bake it in the oven. This is also a great make-ahead breakfast. I ate the leftovers for breakfast for a few mornings this past week.
Substitutions
- Milk - You can use almond milk or any other type of milk.
- Brown sugar - You can use white or brown sugar.
Variations
- Sweetness - There are a lot of ways that you can cut down on your sugar intake by using natural sugars in this recipe. A little honey or maple syrup could replace the added sugar. Just reduce the milk to make up for the added liquid.
- Spices - Try adding some baking spices like cinnamon, nutmeg, ginger, or this Baking Spice Mix.
- Orange zest - Using some orange or lemon zest in the baked oatmeal is the best way to add a pop of citrus flavor.
- Toppings - If you want to add something to the top of the rhubarb baked oatmeal, a great way to do that is to add a dollop of yogurt, some whipped cream, or even a scoop of ice cream for sweetness.
See these Oatmeal Craisin Cookies for a delicious, hand-held treat.
Equipment
To make this quick breakfast, you'll need to have a large bowl, an 8x8 baking dish, and a spoon to stir.
Storage
After the oatmeal bakes and cools to room temperature, store leftovers in an airtight container and keep them in the fridge. You can then reheat and eat throughout the next couple of days for the best flavor and texture.
This recipe could be frozen, but it's really much better texture and flavor to eat it fresh.
Common Questions
Definitely either. It's healthy and a great way to kickstart the day, but it can easily become indulgent if you top it with a scoop of vanilla ice cream. That's the fun part about making this recipe. It's really versatile in how it can be served and enjoyed. I say you eat it however you want!
No, which is why you see so many recipes that combine fruit with it. It's a tart and almost sour vegetable, which gives a really nice balance to overly sweet berries. If you've ever eaten anything that has a rhubarb strawberry flavor, you've likely noticed that it's a sweet and sour flavor that just works perfectly together.
Related
Looking for other recipes like this? Try these:
- Chocolate Peanut Butter Oatmeal Balls
- My Grandma's Coffee Cake Recipe
- Brown Butter Chocolate Chip Banana Bread
- Sour Cherry Scones
📖 Recipe
Baked Rhubarb Oatmeal
Ingredients
- 1.5 cup old-fashioned rolled oats
- 1.5 cups rhubarb chopped
- 1 cup berries optional, fresh or frozen
- 1.5 cup whole milk
- 2 beaten eggs
- ⅓ cup sugar
- 1 teaspoon baking powder
- 1 teaspoon vanilla extract vanilla extract
- pinch salt
Instructions
- Preheat the oven to 350. Spray an 8x8 baking dish with cooking spray.
- Put the oats, rhubarb, and berries (if using) in the baking dish.
- Blend the remaining ingredients.
- Pour the egg mixture into the baking dish. Mix gently.
- Bake for 40-45 minutes or until the rhubarb is softened.
Notes
Nutrition
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