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    Home » Recipes » Breakfast

    Easy Overnight Oats with Frozen Fruit

    Published: Dec 19, 2022 . Modified: Jun 30, 2025 by Allie

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    Jump to Recipe·Print Recipe

    These overnight oats with frozen fruit are easy to make and work great for meal prep.  Using frozen fruit is an easy way to always have everything on hand to make a healthy breakfast for busy mornings.

    Overnight oats in a jar with frozen mixed berries on top.

    The recipe doesn't require any cooking and uses simple ingredients to make this creamy oatmeal.  This is a basic recipe on how to add frozen mixed berries to overnight oats.  For more flavor options on overnight oatmeal using frozen fruit, try blueberry cheesecake overnight oats, cherry overnight oats, mango overnight oats, strawberry overnight oats, or raspberry overnight oats.  You can use fresh or frozen fruit in all of these recipes.

    Jump to:
    • Recipe features
    • Ingredient notes and substitutions
    • Frequently Asked Questions
    • Tips
    • How to make overnight oats with frozen fruit
    • Ideas to enhance overnight oats
    • Toppings
    • Related recipes
    • Recipe
    • Comments

    Recipe features

    • It’s vegan, gluten-free, and budget-friendly.
    • Since these overnight oats use frozen fruit, you can make these year-round and always have everything on hand.
    • It’s a no-cook method of making oats that works great for meal prep.  
    • It’s customizable, change up the fruit or add nut or seed butter.

    Ingredient notes and substitutions

    This healthy make-ahead breakfast only needs a handful of ingredients to make creamy overnight oatmeal.  Please see the recipe card below for the exact measurements.

    Old-fashioned oats - They are the basis for the overnight oat recipes.  I like to stick to old-fashioned oats for the best texture, not steel-cut oats or quick oats.

    Frozen fruit - Most frozen fruit should work, for this oatmeal, I use a mixed berry blend.  The texture of whole thawed strawberries can be a little off-putting. If used try mashing them after thawing them to have a strawberry puree layer, or you can blend them with milk like in this strawberry overnight oats recipe.  Blueberries, raspberries, cherries, peaches, and mangoes work well, or use your favorite fruit.

    Dairy-free milk - Any plant-based milk will work, try almond milk, coconut milk, soy milk, oat milk, or cashew milk.  I prefer a 1-to-1 ratio of rolled oats to milk but adjust for your preferences. To use water, try overnight oats without milk.

    Maple syrup - This can be substituted with agave syrup or another sweetener of your choice.  Adjust the amount of sweetener to suit your preference. 

    Ground flax seed - It soaks up the milk and creates a creamier texture for your overnight oats with frozen fruit.  It can be replaced with chia seeds if needed.  When I substitute them with chia seeds, I prefer using only 2 teaspoons of chia seeds. For more recipes with flaxseeds try banana flaxseed pudding with strawberries.

    Three jars with overnight oats and frozen berries.

    Frequently Asked Questions

    Can you use frozen fruit in overnight oats?

    Yes, you can!  Frozen fruit can be added to overnight oatmeal, a great alternative to fresh fruit.  If you use frozen mangoes, they’re already peeled and chopped, making the prep work easier.  If you’re using frozen berries, when thawed, their juices flavor the oats.

    Can I use steel-cut oats?

    No, steel-cut oats don't work well for overnight oats.  If you need steel-cut oat breakfast recipes, try apple steel-cut oats, banana steel-cut oats, or pumpkin steel-cut oats.

    Do I have to soak the oats overnight?

    No, you don't have to soak the oats overnight but that does give the oats more time to soften and thicken up to be more creamy.  They will need to be soaked for at least 2-3 hours to soften.

    How long will overnight oats last in the fridge?

    Overnight oats without fruit will last around 5 days in the refrigerator in an airtight container.  I prefer to consume these overnight oats with frozen fruit within 2-3 days of preparation.  To get around this you can always add the frozen fruit the night before consuming and the frozen fruit will thaw by morning.

    Tips

    • Thawed strawberries can be a little mealy.  I’m not a fan of the texture, but they do work great if you thaw them, then mash them, or puree them to flavor the overnight oatmeal. 
    • I prefer the consistency of a 1-to-1 ratio of oats to milk and I use ground flax seeds to soak up some of the milk.  If you prefer a thicker consistency for these overnight oatmeal, then reduce the milk by a tablespoon or two.  
    • If you prefer a thinner consistency then add more milk.
    • Add maple syrup to suit your preferences for sweetness.
    • The recipe is for one serving but multiple servings can be made at one time. This makes them perfect for a make-ahead breakfast for busy mornings.

    How to make overnight oats with frozen fruit

    There are several ways to add frozen fruit to this easy oat recipe.  I added option 1 to the recipe card, but here are a couple of other options for you to try.

    Option 1: Mix all the ingredients for the overnight oatmeal (except fruit), then mix in the frozen fruit.  They’ll thaw overnight.  When ready to consume, mash the berries while you stir the oats.  The juices will flavor the oats.  A similar method is to mix the oats, and then layer the frozen fruit on top.  Again they’ll thaw, helping to flavor the oats.  Stir them before consuming.

    Overnight oats in a jar with frozen berries on top.

    Option 2: Thaw the frozen berries until they’ve softened and mash them in the bottom of the jar to have a layer of fruit.  Then mix the rest of the ingredients for the oats separately.  Let the oatmeal sit for at least 5 minutes to thicken.

    Next, layer the oat mixture on top of the fruit layer, like in my blueberry cheesecake overnight oats.  With this method, you might want to add more flavor to the oats since the fruit will be separate.  This can be done by adding lemon juice, ground cinnamon, vanilla extract, or a nut or seed butter.

    Thawed mashed berries on the bottom of the jar with overnight oats on top.

    Option 3: Use a blender to puree the frozen fruit with the milk. Then mix the liquid with the rest of the ingredients for the oatmeal.  Like in my vegan strawberry overnight oats.  When I puree the berries, I like to add ½ tablespoon of lemon juice to help preserve the color.

    Blended berries and milk mixed with oats in a jar.

    Ideas to enhance overnight oats

    There are all sorts of ways to add different flavors to oatmeal, but here are a few suggestions.

    • 1 tablespoon of peanut butter, almond butter, hazelnut butter, cashew butter, or sunflower butter
    • ¼ teaspoon vanilla extract
    • ½ tablespoon fresh lemon juice
    • A little lemon zest
    • ½ teaspoon ground cinnamon
    • Make it chocolatey by adding cocoa powder; you may need to add more maple syrup to balance the bitterness of the cocoa powder, and a splash of milk to thin out the oats.
    • Chocolate chips

    Toppings

    If you add toppings to your overnight oats, add them the next morning, especially granola and nuts or seeds, for them to remain crunchy.

    • Chocolate chips or cocoa nibs
    • Oil-free Granola
    • Vegan yogurt
    • Nuts or seeds
    • Fresh fruit like sliced banana or more fresh berries
    • Coconut flakes
    Frozen berries in a jar with overnight oats.

    Related recipes

    • Raspberry overnight oats
    • Mango overnight oats
    • Overnight oats with water
    • Flax seed pudding with banana and strawberries in a jar with diced strawberries on top.
      Easy Flaxseed Pudding
    • Cherry overnight oats with cherries and yogurt.
      Cherry Overnight Oats
    • Vegan strawberry overnight oats in a glass jar with granola and diced strawberries on top.
      Strawberry Overnight Oats
    • Blueberry cheesecake overnight oats in a glass jar with mashed blueberries at the bottum of a jar.
      Blueberry Cheesecake Overnight Oats

    As always, I hope you enjoy this recipe for easy dairy-free overnight oats! If you like the recipe, feel free to rate it and leave a comment.

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    Recipe

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    Overnight oats in a jar with frozen berries on top.

    Easy Overnight Oats with Frozen Fruit


    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    5 from 2 reviews

    • Author: Allie
    • Total Time: 2 hours 5 minutes
    • Yield: 1 serving 1x
    • Diet: Vegan
    Print Recipe
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    Description

    Overnight oats with frozen fruit are easy to make and work great for meal prep.


    Ingredients

    Scale
    • ½ cup (70 g) frozen fruit (I use a mixed berry blend)
    • ½ cup (45 g) old-fashioned rolled oats
    • ½ cup (118 ml) dairy-free milk
    • 1 tablespoon ground flax seed
    • 2 teaspoons maple syrup, or to taste

    Flavoring Ideas

    • 1 tablespoon of peanut, almond, cashew butter, or sunflower butter
    • ¼ teaspoon vanilla extract
    • ½ tablespoon fresh lemon juice
    • A little lemon zest
    • ½ teaspoon ground cinnamon
    • Make it chocolatey by adding cocoa powder
    • Chocolate chips

    Instructions

    1. Mix the rolled oats, dairy-free milk, ground flax seed, and maple syrup in a jar or a container with a lid.  Add any additional flavor options.
    2. Then top with frozen fruit.  Let the oats soak for 2-3 hours, but overnight is best.
    3. Before consuming, stir some of the thawed fruit into the oats, and enjoy.

    Notes

    Check out the blog post for more ways to add frozen fruit to overnight oats.

    • Prep Time: 5 minutes
    • Soaking time: 2 hours
    • Category: breakfast
    • Method: no bake
    • Cuisine: american

    Did you make this recipe?

    Tag @threelittlechickpeasblog on Instagram and hashtag it #threelittlechickpeasblog

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    Reader Interactions

    Comments

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      Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    1. Runa

      March 28, 2024 at 11:34 pm

      This was my first try of overnight oats. Also my first try of flaxseed. That part will be a bit of an acquired taste for me but overall very good! I found the flaxseed flavor doesn't stand out so much if I heat it before eating. I will try your other recipes and variations. Thank you!

      Reply
      • Allie

        March 29, 2024 at 8:11 am

        Thanks for leaving a comment! Out of my oatmeal recipes, the strawberry overnight oats and applesauce overnight oats are the top favorites among readers. You can also try chia seeds instead of ground flax seeds.

        Reply
    2. Sara

      December 23, 2022 at 10:48 pm

      Thanks for the recipe, I have a frozen berry blend on hand; this was an excellent go-to breakfast.

      Reply
      • Allie

        December 24, 2022 at 10:40 pm

        I'm glad you enjoyed the recipe and thanks for commenting!

        Reply

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    Overnight oats in a jar with frozen berries on top.