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bowl of banana overnight oats

Banana Overnight Oats (Easy 5-Minute Prep)

This banana overnight oats recipe is one of the easiest, most beginner-friendly meal prep breakfast recipes you can make. It uses simple pantry ingredients — rolled oats, almond milk, chia seeds, and a ripe banana - and takes about 5 minutes to prep jars for the week.
The banana naturally sweetens the oats and gives them that cozy banana bread flavor, making this a perfect starting point if you’re new to overnight oats. You can enjoy it just as is, or use it as a base to add nut butter, chocolate, or fruit depending on what you’re craving.
5 from 1 vote
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Course: Breakfast
Cuisine: American
Keyword: banana bread overnight oats, banana overnigh oats, banana overnight oats recipe, overnight oats banana
Prep Time: 5 minutes
Cook Time: 5 hours
Total Time: 5 hours 5 minutes
Servings: 1 person
Calories: 361kcal

Equipment

  • 1 16-ounce mason jar or any container with a lid
  • 1 mason jar lid

Ingredients

  • 1/2 cup rolled oats
  • 1 teaspoon chia seeds
  • 1/8 teaspoon ground cinnamon
  • 1/2 cup almond milk or any dairy-free or regular milk
  • 1/2 banana
  • 1-2 teaspoons pure maple syrup optional, if needed for extra sweetness
  • 1 tablespoon nut butter optional but delicious!

Instructions

  • Add the dry ingredients. In a 16-ounce mason jar or container with a lid, add the rolled oats, chia seeds, ground cinnamon, and vanilla extract. Stir briefly to evenly distribute.
  • Add the wet ingredients. Pour in the unsweetened almond milk and add the banana. You can mash the banana first for a smoother texture or slice it for more banana pieces. If using nut butter, add it here.
  • Stir until combined. Stir well until the oats are fully covered in liquid and everything is evenly mixed. Add a splash more milk if needed.
  • Refrigerate overnight. Cover with a lid and refrigerate for at least 5 hours or overnight.
  • Adjust and enjoy. In the morning, give the oats a good stir. Add pure maple syrup if desired and a splash of milk if the oats are too thick. Enjoy straight from the jar or transfer to a bowl.

Notes

Notes:
  • Ripe bananas work best. The riper the banana, the sweeter the oats. You may not need any added sweetener at all.
  • Nut butter is optional but makes the oats more filling. Stir in 1 tablespoon of peanut butter, almond butter, or cashew butter for extra creaminess, healthy fats, and protein.
  • Oats thicken overnight. If the texture is too thick in the morning, stir in 1–2 teaspoons of milk until creamy.
  • This recipe is easy to scale. Make multiple jars at once for the week, or double the recipe in a larger container and scoop out portions.

Nutrition

Serving: 1g | Calories: 361kcal | Carbohydrates: 51g | Protein: 11g | Fat: 14g | Saturated Fat: 1g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 7g | Trans Fat: 0.01g | Sodium: 168mg | Potassium: 511mg | Fiber: 9g | Sugar: 13g | Vitamin A: 41IU | Vitamin C: 5mg | Calcium: 265mg | Iron: 3mg