Transform your mornings with a warm, hearty bowl of slow-cooked oats. This recipe is perfect for those who want a nutritious and delicious breakfast without the morning rush. Simply set it up the night before, and wake up to a comforting meal that's ready to enjoy.
If you don't usually have steel-cut oats in your pantry, you might need to pick some up at the supermarket. Unlike regular oats, they have a chewier texture and take longer to cook, making them perfect for slow cooking. Additionally, if you prefer a non-dairy option, make sure to grab your favorite non-dairy milk.

Ingredients for Slow Cooker Oats Recipe
Steel-cut oats: These are whole oat groats that have been chopped into pieces, offering a chewy texture and nutty flavor.
Water: Essential for cooking the oats and achieving the desired consistency.
Non-dairy milk: Adds creaminess to the oats; you can use almond, soy, coconut, or any other plant-based milk.
Cinnamon: Provides a warm, spicy flavor that complements the oats perfectly.
Vanilla extract: Adds a sweet, aromatic note to the dish.
Salt: Enhances the flavors of all the ingredients.
Technique Tip for This Recipe
To enhance the flavor of your steel-cut oats, consider toasting them in a dry skillet over medium heat for a few minutes before adding them to the slow cooker. This will bring out a nutty aroma and add depth to your oatmeal.
Suggested Side Dishes
Alternative Ingredients
steel-cut oats - Substitute with rolled oats: Rolled oats cook faster and have a softer texture, but they can still be used in a slow cooker with slightly adjusted cooking times.
water - Substitute with vegetable broth: Vegetable broth adds a savory depth of flavor, making the oats more robust and hearty.
non-dairy milk - Substitute with coconut milk: Coconut milk adds a creamy texture and a hint of tropical flavor, enhancing the overall taste of the oats.
cinnamon - Substitute with nutmeg: Nutmeg provides a warm, slightly sweet, and nutty flavor that complements the oats well.
vanilla extract - Substitute with almond extract: Almond extract offers a distinct, sweet, and nutty flavor that pairs nicely with the oats.
salt - Substitute with sea salt: Sea salt has a more complex flavor profile and can enhance the overall taste of the dish better than regular table salt.
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How to Store or Freeze Your Oats
Allow the slow cooker oats to cool completely before storing. This prevents condensation and keeps the oats from becoming too watery.
Transfer the cooled oats into airtight containers. Glass containers with tight-fitting lids or BPA-free plastic containers work best.
For individual servings, use small containers or mason jars. This makes it easy to grab and go for a quick breakfast.
Store the containers in the refrigerator for up to 5 days. This ensures the oats stay fresh and ready to eat.
To freeze, portion the oats into freezer-safe containers or zip-top bags. Flatten the bags to save space and make stacking easier.
Label each container or bag with the date. This helps you keep track of how long the oats have been stored.
Freeze the oats for up to 3 months. This allows you to enjoy a hearty breakfast even on the busiest mornings.
When ready to eat, thaw the oats in the refrigerator overnight. This gradual thawing helps maintain the texture and flavor.
Reheat the oats in the microwave or on the stovetop. Add a splash of non-dairy milk or water to loosen the consistency if needed.
Stir well and add your favorite toppings, such as fresh fruits, nuts, or a drizzle of maple syrup. This adds a burst of flavor and makes each serving unique.
How to Reheat Leftovers
Stovetop Method: Place the leftover oats in a saucepan. Add a splash of non-dairy milk or water to loosen them up. Heat over medium-low, stirring occasionally until warmed through. This method helps maintain the creamy texture.
Microwave Method: Transfer the oats to a microwave-safe bowl. Add a bit of non-dairy milk or water to prevent drying out. Microwave on high for 1-2 minutes, stirring halfway through. Adjust the time based on your microwave's power.
Oven Method: Preheat your oven to 350°F (175°C). Place the oats in an oven-safe dish, cover with foil, and add a splash of non-dairy milk or water. Bake for about 15-20 minutes, or until heated through. This method is great if you're reheating a large batch.
Slow Cooker Method: If you have time, you can reheat the oats in the slow cooker. Add a bit of non-dairy milk or water to the oats and set the slow cooker to low for about an hour. Stir occasionally to ensure even heating.
Double Boiler Method: Place the oats in a heatproof bowl over a pot of simmering water. Stir occasionally until the oats are heated through. This gentle method prevents scorching and maintains the creamy consistency.
Instant Pot Method: Use the sauté function on your Instant Pot. Add the oats and a splash of non-dairy milk or water. Stir frequently until the oats are warmed through. This method is quick and efficient.
Best Tools for This Recipe
Slow cooker: This is the main appliance used to cook the oats slowly over several hours, ensuring they become tender and flavorful.
Measuring cups: These are essential for accurately measuring the oats, water, and non-dairy milk to ensure the correct proportions.
Measuring spoons: These are used to measure out the cinnamon, vanilla extract, and salt precisely.
Mixing spoon: This is used to stir all the ingredients together in the slow cooker before cooking begins.
Serving spoon: This is used to stir the oats before serving and to dish out portions into bowls.
Bowls: These are used to serve the cooked oats, allowing for the addition of any desired toppings.
Lid: This is used to cover the slow cooker, trapping heat and moisture to cook the oats evenly.
How to Save Time on This Recipe
Prepare ingredients ahead: Measure and prep all ingredients the night before to save time in the morning.
Use a slow cooker liner: This makes cleanup a breeze, allowing you to spend less time scrubbing and more time enjoying your meal.
Batch cooking: Make a larger batch and store portions in the fridge or freezer for quick breakfasts throughout the week.
Quick toppings: Have toppings like fruits, nuts, and seeds prepped and ready to go for easy customization.
Slow Cooker Oats
Ingredients
Main Ingredients
- 2 cups Steel-cut oats
- 6 cups Water
- 1 cup Milk or any non-dairy milk
- 1 teaspoon Cinnamon
- 1 teaspoon Vanilla extract
- 0.5 teaspoon Salt
Instructions
- Add all ingredients to the slow cooker.
- Stir well to combine.
- Cover and cook on low for 7-8 hours.
- Stir before serving. Add toppings as desired.
Nutritional Value
Keywords
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