Make breakfast effortless with this Strawberry Rhubarb Baked Oatmeal. This bright, seasonal baked oatmeal is a wholesome morning option—packed with fiber, whole grains and a hit of protein to keep you satisfied until lunch.
Oh So Delicious Baked Oatmeal
This strawberry rhubarb baked oatmeal celebrates spring and early summer flavors. Sweet, ripe strawberries balance the tart, crunchy rhubarb for a fruit-forward breakfast bake that feels indulgent but still nourishing. It’s a great option for busy mornings because you can make it ahead and reheat single portions throughout the week.
Why Make Baked Oatmeal?
Baked oatmeal transforms rolled oats into a cake- or muffin-like breakfast that’s portable, hearty and versatile. It’s easy to customize with fruit, nuts or spices, and it reheats quickly—making it an ideal meal-prep choice for busy schedules.
Rhubarb refers to the fleshy edible stalks of the rhubarb plant. Although often used like a fruit in desserts, rhubarb is botanically a vegetable and appears early in the season.
Rhubarb has a crunchy texture and a tart, tangy flavor. It is typically paired with a sweetener to balance the tartness.
Rhubarb is low in calories and a good source of vitamin K, antioxidants and fiber. It’s naturally low in fat and adds volume and nutrients to fruit-forward dishes.
All Things Baked Oatmeal
Baked oatmeal combines rolled oats with eggs and milk (or a dairy-free alternative), plus flavorings and mix-ins, then bakes into a firm, sliceable loaf or casserole. The final texture resembles a dense muffin or bread—perfect for topping with nut butter, yogurt or fresh fruit. Because of its texture, it’s also excellent to take on the go or prepare for a week of breakfasts.
Baked Oatmeal Q&A
How long does baked oatmeal keep? Stored in an airtight container in the refrigerator, baked oatmeal will keep for 3–5 days. You can also freeze portions for up to 3 months.
Can you use instant oats? Yes—most baked oatmeal recipes work well with rolled oats or quick-cooking oats. Steel-cut oats are not recommended unless pre-soaked or partially cooked.
Should baked oatmeal be refrigerated? For best food safety and freshness, refrigerate baked oatmeal. It can sit out overnight in a pinch, but refrigeration extends its shelf life.
Why is oatmeal a good breakfast? Oatmeal provides whole grains and soluble fiber, which support satiety and steady energy. Baked oatmeal pairs that with protein from eggs or dairy alternatives.
How to Make Baked Oatmeal
For the full recipe and measurements, see the recipe card below.
Prepare the rhubarb
Chop rhubarb into bite-sized pieces and toss with a little honey. Let it sit for a few minutes to mellow the tartness while you prepare the rest of the bake.
Combine wet ingredients
Mash a ripe banana in a large bowl, then whisk in eggs, vanilla, honey and milk. This creates the moist base that helps the oats bind and bake into a cohesive loaf.
Mix dry ingredients
Stir the rolled oats, oat flour (or your preferred flour), baking powder, chopped strawberries and a pinch of salt into the wet mixture. Fold in the rhubarb and honey mixture last so the tart fruit is evenly distributed.
Bake
Transfer the batter to a prepared 10″ x 7″ casserole dish and top with extra strawberry slices if desired. Bake at 350°F (175°C) for about 33–37 minutes, or until the center has set and the edges are lightly golden.
Easy Ingredient Swaps and Add-Ins
Milk swap: Use unsweetened almond milk, dairy milk, oat milk, soy milk or another milk of choice—any will work.
Add nuts: Stir in or top with 1/2 cup chopped walnuts, pecans or almonds for extra crunch and healthy fats.
Delicious toppings: Serve with Greek yogurt, a drizzle of maple syrup, chia seeds or mini chocolate chips for variety.
Oatmeal basics
How to Make Oatmeal
Learn different oatmeal methods—stovetop, slow cooker, Instant Pot, overnight oats and microwave—for a variety of textures and convenience levels.
Storage Recommendations
Allow the baked oatmeal to cool completely, then slice into single servings and place in an airtight container. Refrigerate for up to 5 days.
To freeze: Cool to room temperature, wrap tightly in foil or plastic wrap to remove air, and store in the freezer for up to 3 months. Thaw overnight in the refrigerator and reheat gently.
More baked oatmeal ideas
Baked Oatmeal Recipes
- Peanut Butter Banana Oatmeal Bake
- Banana Berry Baked Oatmeal
- Lemon Blueberry Baked Oatmeal
- Dark Chocolate Berry Oatmeal Bake
- Blended Baked Oats – 3 Ways
Strawberry Rhubarb Baked Oatmeal Recipe
This strawberry rhubarb baked oatmeal is a healthy, fruit-forward breakfast rich in fiber and whole grains. It delivers sweetness and tartness in every bite and keeps well for weekday breakfasts.
By: Linley Hanson
Prep: 10 mins Cook: 35 mins Total: 45 mins Servings: 6
Ingredients
Wet
- 1 medium ripe banana
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/4 cup honey
- 3/4 cup unsweetened plain almond milk (or milk of choice)
Dry
- 2 cups rolled oats
- 1/2 cup oat flour or any preferred flour
- 1 teaspoon baking powder
- 1 cup chopped fresh strawberries, plus extra for topping
- 1 cup chopped rhubarb
- Pinch of salt
Instructions
- Preheat oven to 350°F (175°C). Spray a 10″ x 7″ casserole dish with nonstick cooking spray.
- Chop the rhubarb into bite-sized pieces. Place it in a medium bowl, add a little honey, mix well and set aside to reduce the tartness slightly.
- Mash the banana in a large bowl. Add the eggs, vanilla, honey and milk, and stir until combined.
- Add the rolled oats, oat flour, baking powder, strawberries and a pinch of salt to the wet mixture and stir to combine. Fold in the rhubarb and honey mixture.
- Transfer the batter to the prepared casserole dish and spread it evenly with a spatula. Top with extra strawberry slices if desired.
- Bake at 350°F for 33–37 minutes, or until the center is set and the edges are lightly golden. Allow to cool slightly before slicing.
Tips & Notes
Storage: Store in an airtight container in the refrigerator for up to 5 days. For longer storage, freeze wrapped portions for up to 3 months.
Nutrition
Calories: 256 kcal; Carbohydrates: 46 g; Protein: 8 g; Fat: 5 g; Fiber: 6 g; Sugar: 16 g.
Nutrition information is automatically calculated and should be used as an approximation.
Love this? Leave a comment below!
Tag your photos on social media with #fitfoodiefinds — we love to see your creations.