These moist and portable baked oatmeal cups combine ripe bananas, old-fashioned rolled oats, and warming cinnamon for a wholesome breakfast or snack. The naturally sweet banana pairs perfectly with creamy Greek yogurt topping, while honey adds just the right touch of sweetness. Each cup comes together in just 10 minutes of prep time and bakes for 22-25 minutes until lightly golden.
Customize your cups with chopped walnuts, mini chocolate chips, or fresh blueberries. They store beautifully in the refrigerator for up to 5 days or freeze for 2 months, making them ideal for meal prep. Serve warm or at room temperature with a generous dollop of Greek yogurt and extra sliced bananas if desired.
Last Tuesday morning I stood in my kitchen with three bananas going speckled brown, wondering why I always overestimate how many we'll actually eat before they turn. The smell of cinnamon hit me as I started mixing and suddenly remembered my college apartment kitchen, where baked oatmeal was the only thing I could consistently make without setting off the smoke alarm.
My sister came over last month when I was testing this recipe and accidentally ate three in one sitting, standing at the counter. She texted me later that night demanding the recipe because her toddler, who usually protests anything with visible oats, had devoured two of them.
Ingredients
- 2 large ripe bananas, mashed: The browner the spots, the sweeter and more moist your cups will be. I've learned that slightly overripe bananas make these taste like they have double the sugar.
- 2 large eggs: These bind everything together. Room temperature eggs incorporate better into the banana mixture, so set them out while you preheat the oven.
- 1/3 cup honey or maple syrup: Honey gives a deeper flavor, but maple syrup makes them taste more like the oatmeal I ate as a kid. Both work beautifully.
- 1 cup milk: I've used everything from whole milk to oat milk here. The creamier the milk, the more tender the crumb, but even skim milk works fine.
- 1 teaspoon vanilla extract: Don't skip this. It's the difference between these tasting like health food and tasting like something you'd actually crave.
- 2 tablespoons melted coconut oil or unsalted butter: Coconut oil adds subtle richness and moisture. Butter tastes more traditional. Use refined coconut oil if you don't want coconut flavor.
- 2 cups old-fashioned rolled oats: Instant oats turn these into mush, and steel cut stay too crunchy. Old-fashioned oats are just right for that perfect texture.
- 1 teaspoon baking powder: This gives them just enough lift to be cake-like without turning them into muffins.
- 1 teaspoon ground cinnamon: I've experimented with half cinnamon and half pumpkin pie spice, which is delicious if you want something more autumnal.
- 1/4 teaspoon salt: A small amount makes all the flavors pop. Without it, these can taste flat despite the sweeteners and fruit.
- 1/3 cup chopped walnuts or pecans: Toast the nuts beforehand in a dry pan for 3 minutes to bring out their natural oils and crunch.
- 1/3 cup mini chocolate chips: Mini chips distribute evenly throughout each bite. Regular-sized chocolate chips sink to the bottom and create a gooey chocolate layer instead.
- 1/2 cup blueberries: Fresh blueberries burst while baking. If using frozen, toss them in a tablespoon of flour first to prevent them from sinking and turning the batter purple.
- 1 cup Greek yogurt: Plain Greek yogurt adds protein and tang that cuts through the sweetness. Vanilla yogurt makes these taste more like a treat.
Instructions
- Preheat your oven and prepare the pan:
- Set your oven to 350°F with plenty of time to fully heat up. Line a 12-cup muffin tin with paper liners for easy cleanup, or grease each cup thoroughly with butter or oil if you prefer the edges to get more caramelized.
- Mash your bananas until smooth:
- Use a fork or potato masher in a large bowl until most lumps are gone. Small banana chunks are fine and create nice pockets of sweetness, but large chunks can make the cups dense.
- Whisk in the wet ingredients:
- Add eggs, honey or maple syrup, milk, vanilla, and melted coconut oil to the bananas. Whisk everything together until the mixture is smooth and slightly frothy, about 30 seconds of vigorous whisking.
- Mix the dry ingredients separately:
- In a different bowl, combine oats, baking powder, cinnamon, and salt. Stir them together with a fork or whisk so the baking powder and cinnamon are evenly distributed throughout the oats.
- Combine wet and dry mixtures:
- Pour the dry ingredients into the wet mixture and stir gently with a spatula or wooden spoon. Stop as soon as the oats are moistened. Overmixing makes these dense instead of tender. Fold in any add-ins now.
- Fill the muffin cups:
- Divide the batter evenly among the 12 cups, filling each about three quarters full. An ice cream scoop makes this easy and keeps portion sizes consistent. The cups will rise slightly but not dramatically.
- Bake until set:
- Bake for 22 to 25 minutes. They're done when the centers are firm to the touch and the tops have turned a light golden brown. A toothpick inserted in the center should come out mostly clean with moist crumbs.
- Cool before serving:
- Let them rest in the pan for 5 minutes so they set and become easier to remove. Transfer to a wire rack to cool completely, or eat them warm with a generous dollop of Greek yogurt on top.
Last week my partner grabbed one on his way out the door and sent me a text from work saying he actually looked forward to breakfast, which is the highest compliment he's ever paid anything I've made.
Make Them Your Own
These are incredibly forgiving. I've made them with almond butter stirred into the batter, with diced apples instead of bananas, and even with a swirl of peanut butter on top before baking. Each variation works beautifully because the base recipe is so solid.
Storage and Meal Prep
These freeze exceptionally well. I wrap each one individually in plastic wrap and freeze them in a large bag. In the morning, I unwrap one and microwave it for 45 seconds, and it tastes freshly baked.
Serving Suggestions
While Greek yogurt is classic, I've also served these with a drizzle of almond butter, a sprinkle of hemp seeds for extra protein, or even a small pat of butter that melts into the warm centers.
- Try crumbling one over a bowl of plain yogurt for an oatmeal-like breakfast bowl
- Spread a little nut butter between two cups for a portable breakfast sandwich
- Top with a poached egg for a sweet and savory combination that sounds strange but works
There's something deeply satisfying about having a batch of these in the fridge, knowing that no matter how chaotic the morning gets, there's something wholesome waiting.
Recipe FAQs
- → Can I make these oatmeal cups ahead of time?
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Yes, these store exceptionally well. Keep them in an airtight container in the refrigerator for up to 5 days, or freeze for up to 2 months. Simply thaw overnight in the fridge or warm briefly in the microwave before serving.
- → Can I substitute the eggs for a vegan version?
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Absolutely. Replace each egg with a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water, let sit for 5 minutes). Use plant-based milk and yogurt instead of dairy versions.
- → What other fruits work well in this recipe?
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Chopped apples, berries, shredded zucchini, or mashed sweet potato all work beautifully. Just keep the total fruit amount around 2 cups mashed or chopped to maintain the proper texture and consistency.
- → Do I need to use paper liners?
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Paper liners make removal easier and help with cleanup, but you can also grease the muffin tin well with coconut oil or butter. If greasing, let the cups cool for about 10 minutes before removing to prevent sticking.
- → Can I use quick oats instead of old-fashioned rolled oats?
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Old-fashioned rolled oats provide better texture and structure. Quick oats may result in a softer, more mushy cup. Steel-cut oats are not recommended as they won't cook through properly in the baking time.