How do you ferment oats?

To make fermented oats, soak rolled oats in water (or milk) with a live probiotic starter such as kefir, yogurt, or sourdough starter. Cover and let sit at room temperature for 8–24 hours, depending on your taste preference. Then cook as usual, adding any toppings you like.

Is it good to eat fermented oats?

Yes. Fermented oats are easier to digest, more nutrient-rich, and can support gut health thanks to the beneficial changes created during fermentation. They’re also flavorful, with a pleasant tang that adds depth to your breakfast.

How long does fermented porridge last?

Uncooked fermented oats can be stored in the fridge for 4–5 days, while cooked fermented porridge will last for about 3–4 days in an airtight container. For longer storage, cooked oats can be frozen for up to two months.

Will kefir ferment oats?

Absolutely. Kefir is one of the best starters for fermenting oats because it contains a diverse mix of bacteria and yeasts. It produces a rich, tangy flavor and speeds up the fermentation process compared to water-only methods.

Fermented Oats: The Best Healthy Breakfast in 2025

Name: Fermented Oats: The Delicious, Healthy Breakfast You Need to Try
Prep time: 5 min
Cook time: 10 min
Total time: PT-488946H10M55S
Cuisine: Healthy
Ingredients: 1 cup rolled oats; 2 cups filtered water; 2 tbsp live probiotic starter (kefir, yogurt, or sourdough); Optional: pinch of salt

Description

Creamy, gut-friendly fermented oats perfect for a wholesome breakfast or snack.

Ingredients

Scale

1 cup rolled oats
2 cups filtered water
2 tbsp live probiotic starter (kefir, yogurt, or sourdough)
Optional: pinch of salt

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Instructions

Place oats in a bowl and cover with water.
Add starter and stir well.
Cover loosely and ferment at room temperature 12–24 hours.
Cook with additional water/milk until creamy.
Top with sweet or savory toppings.

Notes

Adjust fermentation time to taste; refrigerate to pause fermentation.

Prep Time: 5 minutes
Cook Time: 10 minutes
Category: Breakfast
Method: Fermented & Stovetop
Cuisine: Healthy

Nutrition

Serving Size: 1 serving
Calories: 150
Sugar: 1g
Sodium: 50mg
Fat: 3g
Saturated Fat: 1g
Unsaturated Fat: 2g
Trans Fat: 0g
Carbohydrates: 27g
Fiber: 4g
Protein: 5g
Cholesterol: 0mg