Overnight Crockpot Banana Oatmeal

Crockpot banana oatmeal is the kind of cozy breakfast that makes mornings feel easier before your feet even hit the floor. This overnight slow cooker oatmeal cooks low and slow while you sleep, turning ripe bananas, steel cut oats, brown sugar, and milk into a warm, comforting breakfast the whole family will love.

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The backstory.

This recipe started on a stretch of mornings when standing at the stove felt like too much before the day even began. Between school mornings, workdays, and everything in between, having oatmeal waiting in the crock instead of standing at the stove felt like a small win that made the whole day smoother.

It's a must make.

Busy mornings call for breakfasts that work quietly in the background, and this crockpot banana oatmeal fits right into that routine.

• Family-friendly. The banana nut flavor reminds everyone of banana bread, but in warm oatmeal form that even picky eaters enjoy.
• Hands-off cooking. An overnight slow cooker does all the work while you sleep, so breakfast is ready in the morning.
• Perfect for meal prep. This slow cooker oatmeal reheats well and works for busy weekday breakfasts or slow weekends alike.

Let's talk flavor and texture.

From the first spoonful, this oatmeal delivers that familiar banana-nut warmth that feels like banana bread in breakfast form. The steel cut oats soften during the long cooking time, giving the oatmeal a hearty texture that's thick without being gluey. Chopped walnuts add crunch, making this nut oatmeal feel extra comforting without being heavy.

What you'll need.

This banana crockpot oatmeal uses simple ingredients you likely already have on hand, making it one of those slow cooker recipes you'll come back to again and again.

• Steel cut oats: These give structure and a hearty bite that works well for overnight slow cooking.
• Ripe bananas: The riper the bananas, the sweeter and more flavorful the cooker banana base becomes.
• Brown sugar: Adds warmth and sweetness that balances the oats and bananas.
• Milk and water: Using both creates a creamy texture without being too rich.
• Walnuts: Classic banana nut flavor with a little crunch.
• Spices and vanilla: Cinnamon, nutmeg, vanilla, and salt bring everything together.

For exact ingredient quantities, please see the recipe card below!

How to make this banana oatmeal crockpot recipe.

Here's an overview on how to make this recipe. See the recipe card below for complete instructions. Enjoy!

1. Lightly grease a quart slow cooker.
2. Add the oats, mashed bananas, milk, water, brown sugar, walnuts, and remaining ingredients.
3. Stir to combine, cover, and cook overnight on low.
4. Stir well in the morning before serving.

Make it your way.

Once you've made this banana oatmeal crockpot recipe once, it's easy to tweak it to match your family's preferences.

• Omit the brown sugar completely for a less sweet breakfast.
• Use maple syrup instead of brown sugar for a different kind of sweetness.
• Add flax meal or chia seeds for extra fiber.
• Swap walnuts for pecans if you prefer a softer nut.
• Stir in rolled oats for a blended texture if you like a mix of cut oatmeal styles.

How to serve it.

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There are plenty of easy ways to enjoy crockpot banana oatmeal, whether you're serving it fresh or reheating leftovers.

• Top with additional sliced bananas and extra walnuts.
• Add a splash of milk to loosen the oatmeal if it thickens.
• Portion into containers for grab-and-go breakfasts throughout the week.
• Serve alongside eggs or yogurt for a more filling breakfast spread.

Kori's tips.

• Every slow cooker heats a little differently, so cooking time may vary slightly depending on how your crock runs.
• Stir the oatmeal well before serving to fully break up the steel cut oats and create a creamy texture.
• Use a crockpot liner to make cleanup quick and easy, especially when cooking overnight.
• Be sure to use very ripe bananas, as they're much sweeter and give the oatmeal better banana flavor.

📌 Be sure to save this pin to Pinterest for later!

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