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Brewed Coffee Overnight Oats with Oat Milk: Energizing Breakfast

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Do you ever find yourself torn between brewing that essential morning cup of joe and whipping up a nutritious breakfast before rushing out the door? We have all been there. Morning routines can be chaotic, but what if you could combine your caffeine fix and your morning meal into one delicious, grab-and-go jar? This Brewed Coffee Overnight Oats with Oat Milk recipe is the ultimate hack for busy mornings.

By fusing the rich, robust flavor of freshly brewed coffee with fiber-packed oats and creamy oat milk, you create a breakfast that wakes you up and keeps you full until lunch. It’s like a latte you can eat with a spoon. Whether you are meal-prepping for a hectic work week or just looking for a refreshing, dairy-free start to your day, these Brewed Coffee Overnight Oats are about to become your new obsession. Let’s dive into this simple, no-cook method that works magic while you sleep.

Ingredients

To achieve that perfect balance of creamy texture and bold coffee flavor, you will need the following wholesome ingredients.

IngredientAmount/QuantityNotes
Freshly Brewed Coffee1/2 cupChilled or room temp; use a strong brew for best flavor
Rolled Oats1/2 cupOld-fashioned oats work best for texture
Oat Milk2 tablespoonsAdds creaminess (or any plant-based milk)
Chia Seeds1 tablespoonActs as a thickener and nutrient booster
Sweetener1 tablespoonHoney, agave nectar, or maple syrup
Vanilla Extract1 teaspoonenhancing the coffee aroma
Salt1/8 teaspoonJust a pinch to pop the flavors

Timing

This recipe is the definition of “fast food” made healthy. The active time is minimal, with the refrigerator doing all the heavy lifting.

  • Prep Time: 5 minutes
  • Passive Time: 2 hours to 12 hours (Chill time)
  • Total Time: 5 minutes active (Ready to eat the next morning!)

Step-by-Step Instructions

Follow these simple steps to prep your breakfast for the week. The key is ensuring the oats are fully submerged so they soften evenly.

Step 1: Combine the Ingredients

Grab a clean mason jar or a lidded glass container (approx. 8-12 oz size). Add the rolled oats, freshly brewed coffee, oat milk, chia seeds, sweetener of choice (honey/maple syrup), vanilla extract, and salt directly into the jar.

  • Tip: If you enjoy a mocha flavor, you can add a teaspoon of cocoa powder at this stage.

Step 2: Shake It Up

Secure the lid tightly onto the jar. Give it a vigorous shake for about 10-15 seconds. You want to ensure the chia seeds are evenly distributed and aren’t clumping at the bottom, and that the oats are fully soaked in the coffee mixture.

  • Visual Check: Look at the bottom of the jar to make sure no dry pockets of oats or seeds remain.

Step 3: The Soak

Pop the jar into the refrigerator. While you can eat them after just 2 hours, patience is rewarded here. They are best when you wait the full night (12 hours) before digging in.

  • Why wait? The longer soak allows the chia seeds to gel completely and the oats to become soft and creamy, mimicking a cooked oatmeal texture without the heat.

Step 4: Garnish and Serve

When you are ready to eat, remove the lid and give the oats a quick stir. Top with your favorite garnishes—a sprinkle of brown sugar, a dollop of whipped cream, Greek yogurt, or fresh fruit. You can eat them cold straight from the jar or warm them up briefly in the microwave.

Nutritional Information

This breakfast is a nutritional powerhouse, offering sustained energy from complex carbs and caffeine. Here is an estimated breakdown per serving:

  • Calories: ~290 kcal
  • Protein: 8 g
  • Carbohydrates: 52 g
    • Fiber: 9 g (Excellent for digestion)
    • Sugar: 18 g (Natural sugars from sweetener)
  • Fat: 7 g (Healthy fats from chia seeds)
  • Caffeine: ~95 mg (Equivalent to one cup of coffee)

Note: Nutritional values vary based on the specific sweetener and milk used.

Healthier Alternatives

This recipe is naturally vegetarian and easily vegan, but here are ways to tweak it for specific dietary goals:

  • Lower Sugar: Swap the honey or maple syrup for a monk fruit sweetener or stevia drops to drastically reduce the sugar content.
  • Protein Boost: Mix in a scoop of vanilla or chocolate protein powder in Step 1. You may need to add an extra tablespoon of oat milk to account for the extra dry powder.
  • Gluten-Free: Ensure you are using certified gluten-free rolled oats. While oats are naturally gluten-free, they are often processed in facilities with wheat.
  • Lower Fat: Omit the oat milk and replace it with water or extra black coffee, though the texture will be less creamy.

Serving Suggestions

Customize your jar to keep things exciting every morning.

  • The “Latte” Vibe: Top with a dollop of frothy almond milk and a dusting of cinnamon.
  • Crunch Factor: Add toasted walnuts, pecans, or cacao nibs right before serving for texture contrast.
  • Fruity Twist: Sliced bananas pair incredibly well with coffee flavors.
  • Dessert for Breakfast: A few dark chocolate chips make this feel like an indulgent treat while still being healthy.

Common Mistakes to Avoid

Overnight oats are forgiving, but these pitfalls can ruin the texture:

  • Using Instant Oats: Instant oats can turn into mush after a long soak. Solution: Always stick to Old-Fashioned Rolled Oats for that chewy, hearty texture.
  • Using Steel Cut Oats: These are too hard and won’t soften enough with just cold liquid. Solution: If you must use them, they need to be par-boiled first.
  • Forgetting the Chia: Chia seeds aren’t just for health; they absorb liquid and thicken the mixture. Solution: If you skip them, reduce the liquid slightly or the oats might be too soupy.
  • Loose Lids: Shaking a jar with a loose lid is a recipe for a kitchen disaster. Solution: Double-check the seal before shaking!

Storing Tips

This recipe is perfect for meal prep.

  • Refrigerate: These oats can be stored in an airtight jar in the fridge for up to 4-5 days. The texture gets softer the longer they sit.
  • Freezing: You can freeze soaked oats in freezer-safe jars for up to 3 months. Thaw overnight in the fridge before eating.
  • Batch Prep: Line up 5 jars on Sunday night, fill them up, and you have breakfast sorted for the entire work week.

Conclusion

Brewed Coffee Overnight Oats with Oat Milk is the breakfast revolution you’ve been waiting for. It combines the comfort of oatmeal with the necessity of caffeine, streamlining your morning into one delicious, nutrient-dense jar. It’s customizable, refreshing, and incredibly easy to make.

Try it out tonight! Prepare a jar before bed and thank yourself tomorrow morning when you have a gourmet breakfast ready and waiting. Did you add chocolate or stick to vanilla? Let us know in the comments below! Don’t forget to rate the recipe and subscribe to our blog for more easy, healthy meal prep ideas.

FAQs

Q1. Can I use instant coffee instead of brewed coffee?

Yes! Dissolve 1 teaspoon of instant coffee powder into 1/2 cup of cold water or milk, and use that as your liquid base. It works perfectly if you don’t have a coffee pot.

Q2. Do I have to use oat milk?

Not at all. Oat milk pairs beautifully with the flavor of oats (naturally!), but almond milk, soy milk, coconut milk, or even dairy milk works just as well.

Q3. Can I eat this warm?

Absolutely. While they are designed to be eaten cold, you can pop the jar (remove the metal lid!) in the microwave for 30-60 seconds to take the chill off.

Q4. My oats are too dry in the morning. What happened?

Oats and chia seeds absorb a lot of liquid. If they seem dry, simply stir in an extra splash of oat milk or water before serving to reach your desired consistency.

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Brewed Coffee Overnight Oats with Oat Milk: Energizing Breakfast


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  • Author: Evelyn Marcella Rivera
  • Total Time: 5 minutes
  • Yield: 1 jar 1x

Description

Combine your morning coffee and breakfast in one jar. Rolled oats soak up strong brewed coffee, creamy oat milk, and chia for a grab‑and‑go, dairy‑free breakfast that keeps you energized till lunch.


Ingredients

Units Scale

Base

  • 1/2 cup freshly brewed coffee (strong; cooled to room temp)
  • 1/2 cup rolled oats (old‑fashioned)
  • 2 tbsp oat milk (or other plant milk)
  • 1 tbsp chia seeds
  • 1 tbsp sweetener (honey, agave, or maple syrup)
  • 1 tsp vanilla extract
  • 1/8 tsp salt (pinch)

Optional toppings

  • fresh fruit, cocoa powder, yogurt, or whipped cream (to serve)

Instructions

  1. Combine: In an 8–12 oz jar, add coffee, rolled oats, oat milk, chia seeds, sweetener, vanilla, and salt. (Add 1 tsp cocoa for mocha, optional.)
  2. Shake: Seal and shake 10–15 seconds until chia is evenly dispersed and no dry pockets remain.
  3. Chill: Refrigerate at least 2 hours, preferably overnight (up to 12 hours) until thick and creamy.
  4. Serve: Stir, then top with fruit or a dollop of yogurt. Enjoy cold or gently warm if preferred.

Notes

Texture tweaks: For thicker oats, add 1–2 tsp extra chia; for looser, splash in more oat milk before serving. Meal prep: Scales well—multiply directly in separate jars. Use decaf if avoiding caffeine.

  • Prep Time: 5 minutes
  • Category: Breakfast
  • Cuisine: American

Nutrition

  • Calories: 290
  • Sugar: 18
  • Sodium: 160
  • Fat: 7
  • Saturated Fat: 1
  • Carbohydrates: 52
  • Fiber: 9
  • Protein: 8
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