Overnight Oats are one of the easiest and healthiest breakfast recipes. Mason Jar Oatmeal is an easy make-ahead breakfast that can be customized to fit any dietary restrictions and made to please the pickiest of eaters!
If you have been hanging around me any length of time, you know how much I LOVE oatmeal. That may even be an understatement–I am slightly obsessed with Oatmeal and all recipes made with oats.
We eat oatmeal almost daily. Most often we enjoy overnight oatmeal, which makes hectic mornings that much easier to manage.
Mason Jar Oatmeal is like the best invention ever!
- Easy to prep
- Full or nutrients and protein to fuel the day
- Made in individual servings
- Perfectly portable
- Ready and waiting for to grab and devour on busy mornings
What are Overnight Oats?
Overnight Oats is simply regular or old fashioned oats that have been soaked in liquid of some sort overnight. After 8-10 hours, the oatmeal is perfectly softened and ready to eat.
Are Overnight Oats Healthy?
Not only is mason jar oatmeal incredibly easy to make, there is also some proof that soaking oats actually makes them better for you.
By soaking the oats, you break down the phytic acid, found in all grains. Phytic acid binds to nutrients making them harder to absorb. Soaking the oats overnight breaks that acid down and helps to increase the absorption of nutrients, like zinc and iron, absorbed better by your body.
Plus, when you add goodies like flax seed and chia seed, your overnight oatmeal becomes a powerhouse of nutrients.
Ingredients for Overnight Oats
- Oats–regular or quick cooking both work
- Liquid–dairy, non-dairy milk, juice, or simply water
- Flax Seed–for added healthy fats, fiber, and Omega Fatty Acids.
- Chia Seeds–for texture, healthy fats, and fiber.
- Protein Powder–I use unflavored whey powder
- Melted Coconut Oil–for added healthy fats
How to Make Overnight Oats
To make overnight oats you need a few ingredients, mason jars, and time–making this recipe perfect for meal prep for breakfast.
- Place liquid in mason jar.
- Add in flax seed and chia seeds.
- Add in protein powder and melted coconut oil if using.
- Add in desired overnight oatmeal flavors.
- Finally, add in Oats.
- Place lid on mason jar, and shake well.
- Refrigerate overnight, or longer.
- In morning, top with fresh fruit if desired and serve.
- If you would like your oatmeal warm, remove metal lid and heat in microwave for 1-2 minutes.
Base Recipe for Overnight Oatmeal
- 1/2 cup liquid
- 1 teaspoon flax seed
- 1 teaspoon chia seeds
- 1 scoop protein powder (optional)
- 1 tablespoon melted coconut oil (optional)
- 1/2 cup oats
Varieties of Overnight Oatmeal in a Jar
To the base recipe, use these ideas to flavor your Overnight Oats. You can make several of one flavor, or make a flavor customized for every person in your family.
- Chocolate Cherry: Use dairy or nondairy milk of your choice, 1/4 cup fresh, canned, or frozen cherries, and 1/2 tablespoon chocolate chips.
- Almond Joy: Use coconut milk, 1/2 tablespoon chocolate chips, 1 tablespoon toasted coconut, and 1/2 tablespoon sliced almonds. I find it is best to add the almonds and coconut right before serving.
- Banana Pie : Use dairy or nondairy milk of your choice, 1/2 very ripe banana, 1/2 tsp vanilla extract. Mash banana up into milk well, before adding oats.
- Peanut Butter Banana Pie (My personal favorite) Use dairy or nondairy milk of your choice, 1/2 very ripe banana, 1 tablespoon peanut butter, 1/2 tsp vanilla extract. Mash banana up into milk well, before adding oats.
- Apple Cinnamon: , 1/2 cup milk or (1/4 cup apple juice and 1/4 cup milk), 1/2 tsp cinnamon, 1/2 tsp vanilla extract, 1/2 apple diced or 1/4 cup apple sauce. Top with chopped walnuts if desired.
- Peanut Butter Cup: Use dairy or nondairy milk of your choice, 1 tablespoon chocolate chips, 1 Tbs peanut butter, and 1/2 tsp vanilla extract.
- Peaches and Cream: Use dairy or nondairy milk of your choice, 2-3 tablespoons plain Greek yogurt, 1/2 tsp vanilla extract, and 1/2 fresh peach diced up or 1/2 cup canned peaches, diced.
- Blueberries and Cream: Use dairy or nondairy milk of your choice, 2-3 tablespoons plain Greek yogurt, 1/2 tsp vanilla extract, and 1/2 cup frozen or fresh blueberries.
- Strawberries and Cream: Use dairy or nondairy milk of your choice, 2-3 tablespoons plain Greek yogurt, 1/2 tsp vanilla extract, and 1/2 cup frozen or fresh strawberries.
- Cinnamon Roll: Use dairy or nondairy milk of your choice, 1/2 tsp vanilla extract, 1/2 tsp cinnamon, 1/4 tsp fresh nutmeg, 1 tablespoon honey, maple syrup, or agave.
- Cinnamon Raisin: Use dairy or nondairy milk of your choice, 1/2 tsp vanilla, 1/2 tsp cinnamon, 2 Tbs raisins. Chopped nuts go well with this variety. So simple, but my kids love this!!
- Pumpkin Pie: Use coconut milk, 2 tablespoons pumpkin puree, 1 tablespoon maple syrup, 1/2 tsp vanilla, 1/2 tsp cinnamon, 1/4 tsp fresh nutmeg, 1/4 tsp ground ginger, 1-2 Tbs chopped walnuts.
- Maple Brown Sugar: Use dairy or nondairy milk of your choice, 1/2 tablespoon maple syrup, and 1-2 teaspoons brown sugar.
Notes on Mason Jar Oatmeal
- Use any variety of milk you like in this oatmeal. I use unsweetened vanilla almond milk, but regular milk, coconut milk, soy milk all work great.
- 8 ounce or pint sized jars work for these overnight oats. You can double or triple the recipe and use quart sized jars. Just dish out oatmeal in morning into individual bowls.
- Be sure to use certified gluten-free oats if you need your oatmeal to be gluten free.
- Both quick cook and old fashioned oats work in this recipe.
- If you prefer your oatmeal warm, just take the lid off and microwave for 1-2 minutes and then serve.
- I love serving oatmeal in mason jars with handles so that my kids can hold them easily in the car if we are really running late in the morning and they have to eat their Overnight Mason Jar Oatmeal on the Go–not that that ever happens!!
More Oatmeal Recipes
- Slow Cooker Peanut Butter and Jelly Oatmeal
- Baked Carrot Cake Oatmeal
- Overnight Strawberries and Cream Steel Cut Oatmeal
- Instant Pot Oatmeal
- Instant Pot Steel Cut Oats
Mason Jar Overnight Oatmeal Recipe
- 1/2 cup liquid
- 1 teaspoon flax seed
- 1 teaspoon chia seeds
- 1/2 cup oats quick cooking or old fashioned
- 1 scoop protein powder optional
- 1 tablespoon melted coconut oil optional
- Place liquid, flax seed, chia seeds in mason jar. Add in protein powder and or coconut oil if using. Secure lid and shake each jar until ingredients well combined.
- Open each jar and add in desired toppings/flavor options.
- Add oats and secure lid once again and shake until ingredients are well combined.
- Refrigerate overnight.
- Serve in morning cold or can warm up slightly.
- Nutritional values are based on base oatmeal without protein powder and coconut oil.
- Add in any desired toppings (see post for suggestions)
- Meal prep with overnight oats by making several mason jars worth of overnight oatmeal for the week. Overnight Oats will keep in fridge for up to 5 days.
To Make Overnight Oats, you may need:
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