Banana Peanut Butter Baked Oatmeal Cups: Easy One Bowl Meal Prep Breakfast

Name: Banana Peanut Butter Baked Oatmeal Cups
Prep time: 10 min
Total time: 30 min
Ingredients: 1/2 cup mashed banana, about 1 large ripe banana; 1/4 cup natural peanut butter; 1 egg, large; 2 tablespoons honey or maple syrup; 1/3 cup milk, of choice; 1/2 teaspoon vanilla extract; 1 cup old-fashioned rolled oats; 1/2 teaspoon baking powder; 1/8 teaspoon salt; 1/2 teaspoon ground cinnamon; 1/4 cup chocolate chips

By:

Josie Baker

Published:

October 15, 2026

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Everything You’ll Love About These Baked Oatmeal Cups

These banana peanut butter baked oatmeal cups are the kind of breakfast that makes busy mornings feel manageable. Everything comes together in one bowl, no mixer is required, and cleanup stays simple. The finished cups are soft, moist, and chewy, with a comforting balance of hearty oats and gentle sweetness that feels satisfying without being heavy.

Much of the sweetness comes naturally from ripe bananas, supported by just a touch of honey or maple syrup. Creamy peanut butter gives the cups their rich, nutty flavor, and warm cinnamon rounds everything out. They taste like a small treat, yet they stay wholesome enough for any time of day.

One bowl and no mixer mean quick prep and easy cleanup
Soft, moist, and chewy texture with balanced oats and sweetness
Naturally sweetened with ripe bananas plus a touch of honey or maple syrup
Perfect for breakfast, snacks, or lunch boxes on busy days
Freezer friendly and made for meal prep
Easy to adapt with dairy free milk and chocolate chips, or gluten free oats

This version is adapted from Vera Z.’s original banana peanut butter baked oatmeal cups recipe, keeping the same simple method and cozy flavors.

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Ingredients You’ll Need for Banana Peanut Butter Baked Oatmeal Cups

Every ingredient in these baked oatmeal cups earns its place. The list is short and made of pantry staples, and each one shapes the flavor or texture in a clear way. Here is what you will need and why it matters.

Old fashioned rolled oats: Use old fashioned rolled oats, not quick cooking oats, for a hearty, chewy texture. Quick cooking oats can make baked oatmeal cups dry.
Ripe bananas: Ripe bananas add natural sweetness and moisture, so the cups need only a little added sweetener.
Natural peanut butter: Natural peanut butter is recommended for the best flavor and a rich texture that runs through every bite.
Egg: One large egg binds the ingredients and gives the oatmeal cups their structure.
Milk: Any milk, dairy or plant based, works here and keeps the batter moist.
Honey or maple syrup: Two tablespoons add extra sweetness that complements the bananas and peanut butter.
Baking powder: Baking powder helps the oatmeal cups bake up light rather than dense.
Vanilla extract: Vanilla adds depth to the overall flavor.
Ground cinnamon: Cinnamon brings a warm flavor that pairs beautifully with banana and peanut butter.
Salt: The recipe calls for 1/8 teaspoon of salt.
Chocolate chips: Chocolate chips add sweetness and make the oatmeal cups feel extra special.

Gather and measure everything before you start. With the banana mashed and the dry ingredients ready, the batter comes together in minutes.

How to Make Banana Peanut Butter Baked Oatmeal Cups

The method is refreshingly simple. Mashed bananas supply natural sweetness and moisture, giving the batter its soft base. The remaining ingredients are stirred together into a thick oatmeal batter, with no special equipment needed.

The batter is portioned into a muffin pan and baked until the cups are set and lightly golden. As they cool, they firm up into soft, hearty cups that hold their shape. The result is a make ahead breakfast or snack that is easy to grab on busy mornings.

The detailed steps, exact amounts, and baking times are listed in the recipe card below, so you can follow along without guessing.

One Bowl, No Mixer Method

These oatmeal cups are made entirely in one bowl with simple kitchen tools. A fork mashes the banana, a whisk blends the wet ingredients, and a spoon stirs in the oats and mix ins. No mixer is required at any point.

That simple approach keeps both prep and cleanup to a minimum, which is exactly what you want for busy mornings or a quick meal prep session. Fewer dishes, less fuss, and breakfast is handled.

Banana Peanut Butter Baked Oatmeal Cups, One-Bowl, No-Mixer Method

Serving Suggestions

These baked oatmeal cups are good warm or at room temperature, which makes them flexible for whatever your morning looks like. Eat one straight from the pan once it has cooled a little, or pack a few for later.

For a little extra flavor, drizzle peanut butter over the top or add a few banana slices before serving. They are easy to grab for busy mornings or quick snacks, and they travel well in lunch boxes too.

If you are building a small rotation of easy snacks, Chocolate Oatmeal Cookies are another simple option to keep on hand.

Storage & Make Ahead Tips

These cups are ideal for make ahead breakfasts and snacks, and they store well when you follow a couple of simple rules. Always let them cool completely before storing so excess moisture does not build up inside the container.

Refrigerator: Keep the oatmeal cups in an air tight container in the refrigerator for up to 5 days.
Freezer: For longer storage, freeze the fully cooled cups in a freezer safe container for up to 2 months.
Thawing: Thaw overnight in the refrigerator, or reheat briefly before serving.

A batch baked on the weekend covers breakfasts and snacks through the week, which is the whole point of a good meal prep recipe.

Variations & Substitutions

These baked oatmeal cups are simple to customize, so feel free to adjust them to what you have on hand or what your family prefers.

Mix ins: Swap the chocolate chips for nuts or dried fruit for a different flavor and texture.
Dairy free: Use dairy free milk and dairy free chocolate chips when needed.
Gluten free: For a gluten free version, use certified gluten free oats. The texture stays just as good. For another take, see these gluten free peanut butter banana oatmeal cups.

If peanut butter and chocolate is your favorite combination, you may also like these Chocolate Peanut Butter Cheerios Cups.

Helpful Tips for Best Results

Use old fashioned rolled oats: Old fashioned rolled oats give the best texture. Quick cooking oats can make baked oatmeal cups dry, so stick with the old fashioned kind.
Cool completely before storing: Let the baked oatmeal cups cool fully on a wire rack before they go into a container. This prevents excess moisture and keeps them from turning soggy.
Choose a ripe banana: A ripe banana gives better flavor and natural sweetness, which means you get more from less added sweetener.

A ripe banana and a full cool down are the two simplest ways to get soft, chewy cups every time.

Small details make a real difference here. Measure the oats carefully, fill the cups nearly to the top, and trust the bake time. The cups should look set and lightly golden when they are done.

Ingredients

This recipe makes 6 standard oatmeal cups and can easily be doubled.

1/2 cup mashed banana (about 1 large ripe banana)
1/4 cup natural peanut butter
1 large egg
2 tablespoons honey or maple syrup
1/3 cup milk of choice
1/2 teaspoon vanilla extract
1 cup old fashioned rolled oats
1/2 teaspoon baking powder
1/8 teaspoon salt
1/2 teaspoon ground cinnamon
1/4 cup chocolate chips

Instructions

Follow these steps in order for the best texture. Prep takes about 10 minutes before the oven takes over.

Preheat and prepare the pan: Set the oven to 350°F (175°C). Line a standard muffin pan with 6 paper liners and lightly grease them with cooking spray. This recipe makes 6 oatmeal cups, but it can easily be doubled if you are baking for a crowd or stocking the freezer.
Mix the wet ingredients: In a mixing bowl, add the banana and mash it well with a fork until mostly smooth. Add the egg, peanut butter, honey or maple syrup, milk, and vanilla. Whisk until everything is well combined and no streaks of peanut butter remain.
Stir in the dry ingredients: Add the rolled oats, baking powder, salt, and cinnamon. Stir until the batter is evenly mixed, then fold in the chocolate chips so they are distributed through the batter.
Fill the cups: Divide the batter evenly among the prepared muffin cups, filling them almost to the top. Sprinkle a few extra chocolate chips on top if you like.
Bake and cool: Bake for 20 to 25 minutes, or until the oatmeal cups are set and lightly golden. Let them cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.
Store: Keep the cooled cups in an air tight container for up to 5 days.

Notes

Do not use quick cooking oats in this recipe. The texture may turn out dry.
Let the baked oatmeal cups cool completely before storing so they do not become soggy.

These two cautions are worth repeating because they have the biggest effect on the final texture. The right oats and a full cool down make all the difference.

Recipe details

Set the oven to 350°F (175°C) and plan on 20 to 25 minutes of baking. The recipe doubles easily if you want a bigger batch for the week.

Detail	Amount
Prep time	10 minutes
Cook time	20 to 25 minutes
Total time	30 minutes
Yield	6 standard cups

See the additional source.

FAQs

Can you freeze banana peanut butter baked oatmeal cups?

Yes. Let the cups cool completely, then store them in a freezer-safe airtight container for up to 2 months. Wrap cups individually and press out excess air to limit freezer burn. Thaw overnight in the refrigerator or warm briefly in the microwave before serving.

What oats are best for banana peanut butter baked oatmeal cups?

Use 1 cup of old-fashioned rolled oats for the best chewy, hearty texture. Quick-cooking oats absorb liquid differently and can bake up dry, so the recipe does not recommend them. Steel-cut oats need a much longer bake and will not soften properly in a muffin tin.

Can you make banana peanut butter baked oatmeal cups gluten free?

Yes, by using oats labeled certified gluten-free. Oats are naturally gluten-free but are often processed alongside wheat, barley, and rye, so only certified products are tested to a low-gluten standard. The rest of the recipe stays the same, including baking at 350°F until the 6 cups are set and lightly golden.

How do you keep banana peanut butter baked oatmeal cups from getting soggy?

Let the baked cups rest in the pan for 5 minutes, then move them to a wire rack to cool completely before storing. Cooling on the rack lets steam escape so the bottoms stay dry. Sealing warm cups in an airtight container traps moisture and makes them soggy.