As someone who’s spent years turning everyday ingredients into family favorites, I love quick, comforting recipes that everyone enjoys. This banana oatmeal dump cake is one of those moments: soft, moist, and naturally sweetened with ripe bananas. Perfect for busy weeknights or casual brunches, it’s a healthy twist on a classic treat. You’ll love how simple it is to make, fully customizable, and packed with wholesome flavors that bring everyone together.
Why You’ll Love This Recipe
This moist banana oatmeal dump cake is the ultimate easy, healthy dessert or breakfast treat that everyone will love. With just a few simple ingredients, you can create a simple moist banana oatmeal cake that’s soft, flavorful, and naturally sweet. Whether you’re looking for a 3 ingredient banana oat cake or a 4 ingredient banana oatmeal cake, this recipe delivers. It’s a healthy banana oatmeal dump cake option that’s versatile—try it as a steamed banana oatmeal cake, an old fashioned banana oatmeal dump cake, or even a banana oatmeal bundt cake. Perfect for busy weeknights or special occasions, this banana oatmeal cake no flour version is simple to make, moist, and delicious. You’ll love how easy it is to customize—add oil, chocolate chips, or nuts for your best banana oatmeal dump cake yet. Comforting, quick, and naturally sweet, this easy banana oatmeal dump cake is guaranteed to become a family favorite.
Ingredients for This Recipe
The ingredients for this moist banana oatmeal dump cake are simple, wholesome, and easy to find, making it the perfect recipe for a quick, healthy dessert or breakfast. Ripe bananas provide natural sweetness and a soft texture, while rolled oats create a hearty base for a simple moist banana oatmeal cake. Brown sugar or coconut sugar adds just the right amount of sweetness. A small amount of oil keeps the cake moist, and baking soda and salt help it rise and balance the flavors. Vanilla, cinnamon, or nutmeg enhances the aroma and warmth of this banana oatmeal cake no flour version. Optional mix-ins like nuts, chocolate chips, or raisins make this healthy banana oatmeal dump cake versatile and customizable for your taste. Whether you’re aiming for a 3 ingredient banana oat cake or the best banana oatmeal dump cake, these ingredients combine to create a soft, comforting, and naturally sweet treat.

🛒 Ingredients (for one 9×9-inch pan):
For the Cake:
3 ripe bananas, mashed
1 ½ cups rolled oats
½ cup brown sugar (or coconut sugar for healthier version)
¼ cup vegetable oil (or melted coconut oil)
½ teaspoon baking soda
½ teaspoon salt
1 teaspoon vanilla extract
Optional: ½ teaspoon cinnamon or nutmeg
Optional Mix-ins:
½ cup chopped walnuts or pecans
½ cup chocolate chips or raisins
How to Make This Recipe
Creating the perfect moist banana oatmeal dump cake is simple and satisfying. This easy banana oatmeal dump cake combines ripe bananas, hearty oats, and a few basic ingredients to deliver a soft, flavorful, and naturally sweet treat. Whether you’re making a 3 ingredient banana oat cake, a 4 ingredient banana oatmeal cake, or a healthy banana oatmeal dump cake, the process is straightforward. For an old fashioned banana oatmeal dump cake, gently fold ingredients together to maintain a light texture. You can even transform it into a steamed banana oatmeal cake or banana oatmeal bundt cake for variety. This banana oatmeal cake no flour version is perfect for anyone seeking a wholesome, easy-to-make dessert that’s moist and comforting. Adding a touch of oil ensures the best banana oatmeal dump cake with oil, while optional mix-ins elevate this simple moist banana oatmeal cake into a family favorite.
🛒 Steps:
- Preheat oven to 350°F (175°C) and grease an 8×8 or 9×9-inch pan
- Mash 3 ripe bananas in a large bowl until smooth
- Stir in ¼ cup vegetable oil, ½ cup brown sugar, and 1 teaspoon vanilla extract
- Add 1 ½ cups rolled oats, ½ teaspoon baking soda, ½ teaspoon salt, and optional cinnamon or nutmeg
- Fold in optional mix-ins like ½ cup chopped walnuts or ½ cup chocolate chips
- Pour batter into prepared pan and smooth the top
- Bake for 25–30 minutes or until a toothpick comes out clean
- Allow to cool slightly before slicing and serving
- Optionally, transform into a banana oatmeal bundt cake or steamed banana oatmeal cake for variation

Expert Cooking Tips
Making the perfect moist banana oatmeal dump cake is all about using the right techniques and ingredients. For a simple moist banana oatmeal cake, always use very ripe bananas to maximize natural sweetness and softness. Whether you’re trying a 3 ingredient banana oat cake or a 4 ingredient banana oatmeal cake, folding ingredients gently helps maintain a tender texture. For a healthy banana oatmeal dump cake or an old fashioned banana oatmeal dump cake, balance oats with bananas and a touch of oil for moisture. You can also try a banana oatmeal bundt cake or steamed banana oatmeal cake for a fun variation. Using a banana oatmeal cake no flour approach keeps it wholesome, while optional mix-ins make your easy banana oatmeal dump cake the best banana oatmeal dump cake your family will love.
💡 Expert Tips:
- Use very ripe bananas for the most moist banana oatmeal cake
- Gently fold oats and wet ingredients to keep the cake light
- For a healthy banana oatmeal dump cake, swap oil with applesauce or use coconut oil
- Optional: Add chocolate chips, nuts, or raisins for extra flavor
- Try steaming for a steamed banana oatmeal cake or using a bundt pan for a banana oatmeal bundt cake
- Baking time: check with a toothpick to ensure the perfect easy banana oatmeal dump cake

FAQs
What makes this banana oatmeal dump cake moist?
Using ripe bananas, a small amount of oil, and rolled oats ensures a soft, tender texture. This simple moist banana oatmeal cake stays naturally sweet and flavorful without overbaking.
Can I make a 3 ingredient banana oat cake version?
Yes! You can simplify the recipe to just bananas, oats, and a sweetener for a quick, healthy banana oatmeal dump cake that’s easy to prepare and still delicious.
Is this banana oatmeal cake no flour?
Absolutely. Using rolled oats as the base creates a flourless banana oatmeal cake that’s wholesome and naturally gluten-free.
Can I turn this into a banana oatmeal bundt cake or steamed banana oatmeal cake?
Yes, the batter works well for a bundt pan or steaming. Both methods create a moist banana oatmeal dump cake with slightly different textures.
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This moist banana oatmeal dump cake is a simple, versatile, and wholesome treat that everyone will love. Whether you’re making a 3 ingredient banana oat cake, a 4 ingredient banana oatmeal cake, or a healthy banana oatmeal dump cake, it’s quick, easy, and perfect for busy weeknights or special occasions. From a banana oatmeal bundt cake to a steamed banana oatmeal cake, this banana oatmeal cake no flour recipe is comforting, naturally sweet, and fully customizable. With minimal ingredients and maximum flavor, it’s easily the best banana oatmeal dump cake your family will enjoy time and again.
Print
Tasty Banana Oatmeal Dump Cake
- Total Time: 40–45 minutes
- Yield: 10–12 servings 1x
- Diet: Vegetarian
Description
A moist, wholesome banana oatmeal cake that’s incredibly easy to make. This “dump cake” style recipe requires minimal prep and just a few ingredients, making it perfect for a quick breakfast treat or a healthy dessert. Naturally sweetened with bananas, it’s soft, hearty, and full of comforting flavors.
Ingredients
🛒 Ingredients (for one 9×9-inch pan):
For the Cake:
3 ripe bananas, mashed
1 ½ cups rolled oats
½ cup brown sugar (or coconut sugar for healthier version)
¼ cup vegetable oil (or melted coconut oil)
½ teaspoon baking soda
½ teaspoon salt
1 teaspoon vanilla extract
Optional: ½ teaspoon cinnamon or nutmeg
Optional Mix-ins:
½ cup chopped walnuts or pecans
½ cup chocolate chips or raisins
Instructions
📝 Instructions:
Step 1: Preheat Oven
Preheat your oven to 350°F (175°C). Grease an 8×8 or 9×9-inch baking pan.
Step 2: Mix Wet Ingredients
In a large bowl, mash the bananas. Stir in the oil, vanilla extract, and brown sugar until well combined.
Step 3: Add Dry Ingredients
Add the rolled oats, baking soda, salt, and optional cinnamon or nutmeg. Stir until just combined. Fold in any optional mix-ins.
Step 4: Bake the Cake
Pour the mixture into the prepared pan. Bake for 25–30 minutes, or until the top is golden and a toothpick inserted in the center comes out clean.
Step 5: Cool & Serve
Allow the cake to cool slightly before slicing. Serve warm or at room temperature. Can be enjoyed plain or with a dollop of yogurt or nut butter.
Notes
Moistness Tip: Use very ripe bananas for maximum sweetness and softness.
Make Ahead: This cake stores well in an airtight container for 2–3 days or can be frozen for up to a month.
Mini Version: Bake in muffin tins for individual servings, reducing bake time to 15–18 minutes.
Healthy Variation: Replace sugar with honey or maple syrup, and oil with unsweetened applesauce.
- Prep Time: 10 minutes
- Cook Time: 35–40 minutes
- Category: Dessert / Breakfast / Snack
- Method: Baked / Dump Cake Style
- Cuisine: American
