Home Meal Prep Basic Overnight Oats

Basic Overnight Oats

Prep: 5 mins Chill: 8 hours Servings: 1 See recipe card for live cost

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If you want a healthy breakfast with basically zero morning effort — but you're not about to spend your whole Sunday meal prepping — basic overnight oats are your answer. You stir a few things in a jar at night, stick it in the fridge, and wake up to breakfast that's already done. No cooking, no cleanup, no thinking required.

The best part is that this is the base. It's a blank canvas: keep it simple, or add whatever protein powder, fruit, or sauce you're feeling that day. It's cheap, it's filling, and it's perfect for anyone who wants to eat well while being a little bit lazy about it (no judgment — same). The version that inspired this one is from this YouTube overnight oats recipe.

Inspired by this YouTube recipe.

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A jar of basic overnight oats topped and ready to eat
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All dishes are made and tested by Anne Rose. Click here to learn more.

“Super simple and easy to prep — and with a little testing you can have a new flavor every day. Buy a few different protein powders, fruits, and sauces and you can make these AMAZING.” — Anne

The Easy Overnight Oats Base You'll Make on Repeat

This is the one recipe to memorize. Oats, Greek yogurt, chia seeds, and maple syrup go in first, then almond milk — stir, chill, and they soak overnight into a creamy, spoonable breakfast, with a little cinnamon to keep it simple and sweet. Add a scoop of protein powder and you've got a high-protein start to the day. Master this ratio and you can riff on it forever. Come fall, this same base is begging for a pumpkin pie overnight oats variation — I'll have that version up when the weather turns.

  • Prep Time 5 mins
  • Chill Time 8 hours
  • Servings 1
  • Cost / Serving See card

My Kitchen Tools

These are the tools I use and love to make this recipe (and life in the kitchen!) easier. You don't need any fancy equipment—just a few favorites that make a big difference!

  • Recommended
    Glass overnight oats jars with lids for mix-and-go breakfast

    Glass Overnight-Oats Jars

    Mix, lid, fridge, grab-and-go — the perfect jar for overnight oats.

    View on Amazon →
  • Recommended
    Digital kitchen scale for measuring overnight oats

    Digital Kitchen Scale

    Nail the oats-to-liquid ratio every time for perfect texture.

    View on Amazon →

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Serving Suggestions

Make it right in a mason jar, stash a spoon with it, and grab-and-go — that's the whole appeal. Top with fresh fruit, a drizzle of nut butter, granola for crunch, or a swirl of your favorite sauce.

Storing & Reheating

Keep it refrigerated in a sealed jar — overnight oats last about 4–5 days, so you can prep a few at once. Eat them cold straight from the fridge; no reheating needed.


If they thicken up too much overnight, just stir in a splash of milk before eating.

Substitution Tips and Recommendations from Our Audience

This is the customizable one — add whatever protein powder, fruit, or sauce you like. Swap the almond milk for any milk, use honey instead of maple, or stir in a scoop of vanilla protein for a bigger protein hit.

  1. Oats: stick with rolled oats. Instant turns mushy and steel-cut stays tough.

  2. Milk: any milk works — dairy, oat, soy, or whatever you've got.

  3. Sweetener: maple is the default; honey or a few drops of liquid stevia both work.

  4. Protein: stir in ½–1 scoop of vanilla protein powder, or skip it and keep the base as-is.

Frequently Asked Q's

Quick answers on basic overnight oats — whether they're healthy, how to make them, what to skip, how long they last, and the best toppings.

Q: Are overnight oats actually healthy for you?

Yes — this base lands around 270 calories and 12g of protein with fiber from the oats and chia. Stir in a scoop of protein powder and you're closer to 37g protein. They're cheap, filling, and you control the sugar.

Q: How do you make the best overnight oats?

Use rolled oats (not instant or steel-cut), keep a 1:1 oats-to-milk ratio, add Greek yogurt, chia, and maple first, then the milk, and stir. Let it sit at least 3 hours (overnight is better). Stir in the morning and add toppings.

Q: What not to add to overnight oats?

Skip instant oats (they go mushy) and steel-cut oats (they stay tough). Fresh fruit that browns — like banana or apple — is better added in the morning, not the night before. Don't over-sweeten; you can always drizzle more maple at the table.

Q: How long do overnight oats last in the fridge?

About 4–5 days in a sealed jar. That's why they're great for meal prep — make a few Sunday night and breakfast is handled through Friday.

Q: What are the best toppings for overnight oats?

Fresh fruit, a drizzle of nut butter, granola for crunch, or a swirl of sauce. For a dessert-for-breakfast version, try my chocolate peanut butter overnight oats.

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