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Home » Brunch

Chocolate Orange Overnight Oats

Modified: Dec 4, 2025 by Lesley · Published: Jan 6, 2026 · This post may contain affiliate links · Leave a Comment

Pinnable image with recipe title and two glasses filled with chocolate orange overnight oats, topped with orange segments and grated dark chocolate.
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These chocolate orange overnight oats with chia seeds are the perfect start to the day. Rich cocoa with vibrant citrus creates a flavour combination that is both comforting and refreshing, while the chia seeds provide a boost of nutrition and a satisfying texture.

Two glasses filled with chocolate orange overnight oats, topped with orange segments and grated dark chocolate.

Simple to prepare and bursting with natural, wholesome ingredients. With just a few minutes of prep the night before, you'll waken up to a creamy, dessert like breakfast that's filling and indulgent.

This chocolate orange oats recipe does not contain any additional sugars, refined or otherwise. I find the orange zest adds enough sweetness, without the need for adding anything more.

Table of Contents

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  • Why you'll love this recipe
  • Recipe ingredients
  • How to make chocolate orange overnight oats
  • Recipe variations
  • Serving suggestions
  • Useful hints and tips
  • FAQs
  • Pin the recipe
  • Additional recipe suggestions
  • Chocolate Orange Overnight Oats

Why you'll love this recipe

  • Preparation is minimal these oats can be made in just 5 minutes then stored in the fridge until you are ready to enjoy.
  • A great grab and go breakfast make the night before, store in a jar with a lid, then grab on your way out the door next morning.
  • With a few simple changes these oats are great for gluten free, dairy free and vegan diets.

Recipe ingredients

Individual recipe ingredients for making chocolate orange overnight oats.
  • Oats - I use porridge oats (rolled oats) in this recipe. Use gluten free porridge oats if required.
  • Chia seeds - I like to add chia seeds to my overnight oats as they are a great source of protein, which help keep you feeling fuller for longer.
  • Chocolate - for a rich chocolate flavour I use cocoa powder, which adds the flavour without the sugar. If you want you can also grate a little dark chocolate over the top before serving - I use 85% dark.
  • Orange - I use the finely grated zest of an orange to flavour the oats. I keep the remaining orange and cut it into segments, adding it to the top of the oats when I'm ready to eat.

How to make chocolate orange overnight oats

A bowl of porridge oats (rolled oats) with added cocoa powder, grated orange zest and chia seeds.
A bowl of porridge oats (rolled oats) with added cocoa powder, grated orange zest and chia seeds, with whole milk being poured over.
  • Place the porridge oats, chia seeds, cocoa powder and orange zest into a large bowl and stir to combine.
  • Add the milk of your choice and stir well to combine.
A bowl of chocolate orange overnight oats ingredients mixed together.
Two glasses half filled with chocolate orange overnight oats.
  • Divide the mixture evenly between two serving glasses or bowls, and place in the fridge for at least 8 hours or ideally overnight.
  • When ready to serve, remove from the fridge and top with optional orange segments and a grating of dark chocolate.

Recipe variations

  • Seeds - I've used chia seeds in this recipe, but you could also use ground flax seeds.
  • Milk - I use whole milk in this recipe, but it works just as well with plant based milks.
  • Spices - add some ground cinnamon or ginger to the overnight oats for extra flavour.
  • Sweetener - if you want some added sweetness, add 2 tablespoons of honey, maple syrup or agave syrup to the recipe.

Serving suggestions

I serve these oats cold, straight from the fridge, adding some fresh orange segments to the top. You could also add some granola to the top of the oats, try my Chocolate & Hazelnut Granola.

Two glasses filled with chocolate orange overnight oats, topped with orange segments and grated dark chocolate.

Useful hints and tips

  1. Don't be tempted to use packets of quick oats here. Quick oats are too broken up and you'll end up with a really mushy consistency.
  2. Overnight oats store really well in the fridge for a few days so I rarely just make one serving. This recipe is easily doubled up so a great make ahead breakfast.
  3. For a grab and go breakfast, make the oats in a jar with a lid, then all you need to do is grab from the fridge on your way out.
  4. For dairy free and vegan diners use a plant based milk.
  5. Gluten free diners should opt for gluten free porridge oats.
  6. Allergy advice: gluten free, dairy free, egg free, soya free and nut free. For comprehensive and detailed allergy advice go to Allergy UK.

FAQs

Are overnight oats healthy?

Yes, overnight oats are a great way to start the day. Containing both oats, which is a complex carbohydrate and chia seeds, these overnight oats are high in fibre, protein, omega 3 fatty acids and a variety of vitamins and minerals. These oats will keep you feeling satisfied and fuller for longer.

Do you use milk or yogurt for overnight oats?

You can use any variety of milk in this oat recipe, I use whole milk, but you can use any plant based milk too. Yogurt is a great high protein addition to overnight oats, it's thicker so you will just get a slightly different texture. You could also use a combination of milk and yogurt.

How to store overnight oats?

Once made, the oats can be stored in an airtight container in the fridge for up to 3 days.

Pin the recipe

Pinnable image with recipe title and two glasses filled with chocolate orange overnight oats, topped with orange segments and grated dark chocolate.

Additional recipe suggestions

If you like this recipe then try some of my other easy breakfast recipes:

  • Chocolate & Hazelnut Granola
  • Cinnamon Granola with Apricot & Almond
  • Christmas Spiced Granola with Orange & Cranberry
  • Baked Nectarines with Hazelnuts & Yogurt
  • Healthy Green Smoothie

For all my favourite breakfast and brunch recipes in once place, check out my Ultimate Guide to Brunch.

Two glasses filled with chocolate orange overnight oats, topped with orange segments and grated dark chocolate.

Chocolate Orange Overnight Oats

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Prep Time: 5 minutes mins
Chill Time: 8 hours hrs
Total Time: 8 hours hrs 5 minutes mins
Servings: 2
Calories: 359kcal
Author: Lesley Garden

Equipment

  • large mixing bowl
  • measuring spoons
  • weighing scales
  • 2 serving glasses or use jars, bowls

Ingredients

  • 100 g porridge oats (rolled oats)
  • 2 tablespoon chia seeds
  • 2 teaspoon cocoa powder
  • zest of 1 orange (finely grated)
  • 250 ml whole milk (or milk of choice, semi-skimmed, skimmed, plant based)
  • fresh orange segments (to serve, optional garnish)
  • 85% dark chocolate (finely grated, optional garnish)

Instructions

  • Place the porridge oats, chia seeds, cocoa powder and orange zest into a large bowl and stir to combine.
  • Add the milk of your choice and stir well to combine.
  • Divide the mixture evenly between two serving glasses or bowls, and place in the fridge for at least 8 hours or ideally overnight.
  • When ready to serve, remove from the fridge and top with optional orange segments and a grating of dark chocolate.

Notes

Don't be tempted to use packets of quick oats here. Quick oats are too broken up and you'll end up with a really mushy consistency.
Overnight oats store really well in the fridge for a few days so I rarely just make one serving. This recipe is easily doubled up so a great make ahead breakfast.
For a grab and go breakfast, make the oats in a jar with a lid, then all you need to do is grab from the fridge on your way out.
Nutrition Facts
Chocolate Orange Overnight Oats
Amount Per Serving
Calories 359 Calories from Fat 99
% Daily Value*
Fat 11g17%
Saturated Fat 3g19%
Trans Fat 0.01g
Polyunsaturated Fat 4g
Monounsaturated Fat 2g
Cholesterol 15mg5%
Sodium 54mg2%
Potassium 558mg16%
Carbohydrates 53g18%
Fiber 11g46%
Sugar 13g14%
Protein 14g28%
Vitamin A 363IU7%
Vitamin C 35mg42%
Calcium 289mg29%
Iron 3mg17%
* Percent Daily Values are based on a 2000 calorie diet.

• Please note that the nutrition information provided above is approximate and meant as a guideline only •

Course : Breakfast, Brunch
Cuisine : British
Keyword : cocoa powder, rolled oats
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Hi, I’m Lesley.

I’m the blogger, cook and creator behind Lost in Food.

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