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    Home » Recipes » Vegetarian Breakfast Recipes

    Cinnamon Overnight Oats

    Modified: Aug 17, 2023 by Cassidy Reeser, MS, RD · This post may contain affiliate links
    5 from 3 votes
    1 serving
    10 minutes minutes
    Pin Jump to Recipe
    Overhead view of apples on top of jar of oatmeal
    Side view of glass jar filled with oatmeal

    These healthy, easy-to-make cinnamon overnight oats combine apples and cinnamon for the perfect fall breakfast! Ready in just 10 minutes, vegan, and gluten-free optional!

    Side view of glass jar filled with oatmeal.

    Apples, cinnamon, and brown sugar combine to create these cozy cinnamon overnight oats. This recipe is perfect for breakfast, especially during the fall.

    Overnight oatmeal is great for breakfast meal prep because it can be prepped up to 4 days in advance. If you like my Instant Pot apple cinnamon oats you are sure to love this recipe as well!

    Jump to:
    • Recipe features
    • What you'll need
    • Step by step instructions
    • Variations
    • Toppings ideas
    • Looking for more breakfast ideas?
    • Recipe
    • Comments

    Recipe features

    • Meal-prep friendly: Makes 4 servings of overnight oats. This recipe is easy to double or even triple.
    • Quick & easy: This recipe requires just 10 minutes of active time. The overnight oats are ready in 4 hours, but they are even better after 8+ hours.
    • Apple pie flavored: While cinnamon is the start of the show, these oats really take on an apple pie flavor from the cozy combination of apples, cinnamon, and brown sugar.
    • Versatile: While I prefer to keep things simple with just cinnamon, apples, and walnuts, these overnight oats are pretty versatile. Feel free to add a variety of toppings and use any kind of milk.

    What you'll need

    Labeled ingredients in separate containers.
    • Apples: I like to use sweet red apples like fuji, gala or honey crisp. Slice apples into ½ inch cubes. I leave the peel on but you can remove it if you prefer.
    • Rolled oats, also known as old-fashioned oats. Choose gluten-free oats to make this recipe gluten-free.
    • Cinnamon and nutmeg add warmth and depth.
    • Milk: I like to use unsweetened, unflavored soy milk but you can use almond, oat, coconut milk, etc.
    • Chia seeds help with texture and provide healthy omega-3 fatty acids. You can omit these or replace them with flaxseeds.
    • Brown sugar can be replaced with an equal amount of white sugar or maple syrup. The flavor will slightly different if you don't use brown sugar.

    Step by step instructions

    Steps 1 and 2 to make overnight oats.

    Making cinnamon overnight oats is as easy as:

    1. Mix the dry ingredients together.
    2. Add in the wet ingredients (milk and apples) and stir together.

    Cover with a lid and refrigerate the overnight oats for at least 4 hours before enjoying.

    Variations

    • For additional apple flavor, I recommend using half applesauce and half milk. This makes the oats extra flavorful and nutritious!
    • Enjoy hot or cold: Overnight oats are extra creamy and delicious when warm. Simply add one serving to a small sauce pot over medium heat. Heat, stirring occasionally, until warm. Add an extra splash of milk as needed. You can also reheat it in the microwave in 1-2 minutes.
    • Recommended jars: I like using a glass jar because it's convenient, but you can use any single-serve bowl, Tupperware, or large cup. Cover your container with a lid or foil before refrigerating.

    Toppings ideas

    Toppings are one of the best parts of cinnamon overnight oats! Here are my favorites:

    • One (5 ounce) container of Greek yogurt or plant-based yogurt for protein
    • Toasted walnuts 
    • Maple syrup drizzle
    • Extra cinnamon and nutmeg on top
    • Pumpkin seeds
    • Coconut cream
    • Applesauce
    Overhead view of apples on top of jar of oatmeal.

    Looking for more breakfast ideas?

    If you're looking for more overnight oats you might like these overnight oats with coconut milk, gingerbread overnight oats, chia cherry, peach or mocha varieties.

    • White square baking dish filled with pecan baked oatmeal and a white pie server
      Pecan Cinnamon Baked Oatmeal
    • Pile of cookies with chocolate chips on top.
      Peanut Butter Breakfast Cookies
    • Small glass jar filled with smoothie and a yellow paper straw on a piece of wood.
      Apple Cinnamon Oatmeal Smoothie
    • Close up of texture showing melted chocolate chips and pistachios.
      Baked Pumpkin Oatmeal

    Did you try this recipe? You can leave a star rating in the recipe card or a review in the comments below. Or check out my cookbook and keep up to date with my YouTube, Instagram, TikTok, or newsletter!

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    Pint ball jar filled with oats and apple slices.

    Cinnamon Overnight Oats

    Cassidy Reeser, MS, RD
    Ground cinnamon, rolled oats, soy milk, and a few fall-flavored ingredients combine to make this filling & flavorful meal prep breakfast!
    5 from 3 votes
    Print Recipe Pin Recipe Save RecipeSaved!
    Prep Time 5 minutes mins
    Cook Time 5 minutes mins
    Total Time 10 minutes mins
    Servings 1 serving

    Ingredients
      

    • 1 teaspoon olive oil
    • ¼ cup raw walnuts
    • ½ cup rolled oats
    • 1 tablespoon chia seeds
    • 2 teaspoons light brown sugar adjust to taste
    • ½ to ¾ teaspoon ground cinnamon more for topping
    • ⅛ teaspoon ground nutmeg
    • pinch of salt
    • 1 cup unsweetened soy milk see note #1
    • 1 cup medium diced Gala apple from ~1 small red apple, see note #2

    Instructions
     

    • To toast walnuts (optional): Heat a small skillet over medium-high heat. Add a drizzle of olive oil (about 1 teaspoon). Once hot, add the walnuts and toast until brown and fragrant, about 3-5 minutes. Stir occasionally to prevent burning. Set aside for topping.
    • In a pint sized Ball jar or similarly sized container, stir together the rolled oats, chia seeds, brown sugar, ½ teaspoon cinnamon, nutmeg, and pinch of salt. Add soy milk and diced apples. Taste for cinnamon flavor, and add more as desired.
    • Put the lid in place and shake to combine. Refrigerate for at least 4 hours and up to 4 days. Enjoy cold or warm topped with toasted walnuts and a sprinkle of cinnamon.

    Video

    Notes

    1. Soy milk: This is my preferred non-dairy milk because it containers a fair amount of protein but any milk will do -- cow's milk, cashew, almond, etc.
    2. Apples: I like to use sweet apples like Gala, Fuji or Honeycrisp.
    3. Reheating instructions: Add one serving of overnight oats to a small sauce pot over medium heat. Heat, stirring occasionally, until warm, about 3-5 minutes.
    4. Gluten-free optional: Choose certified gluten-free oats to make this recipe gluten-free.

    Nutrition

    Serving: 1servingCalories: 427kcalCarbohydrates: 63gProtein: 15gFat: 15gSaturated Fat: 2gSodium: 98mgPotassium: 621mgFiber: 13gSugar: 22gVitamin A: 571IUVitamin C: 6mgCalcium: 398mgIron: 4mg
    Did you make this?I love hearing how it went! Leave a review or tag me on Instagram @cozypeachkitchen so I can see your creations!
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    Hi, I'm Cassidy!

    I'm a registered dietitian, cookbook author, and decade-long vegetarian! I use my nutrition background to bring you balanced, nourishing, and comforting vegetarian recipes that are great for anyone looking to add more plant-based meals to their diet.

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