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Custard Oats

Custardy oats for breakfast – who’s in? Whisk beaten eggs into these creamy oats as they cook for a deliciously healthy, high-protein breakfast that’s just like a dessert in the most healthyish way! 

high protein overnight custard oats

Custard oats – if you’re not familiar with this breakfast protein powerhouse, you’re in for a treat! This custardy oatmeal treat is healthy and delicious and tastes like a bowl full of creamy custard pudding. 

In keeping with my favourite oat recipes, this custard oats recipe is incredibly quick and easy to make, tastes divine and requires only pantry staples to make. Requiring only 10 minutes of cook time and 5 basic ingredients, this is my new go-to breakfast!

Soaked oats – what?

You read that correctly! To get this oatmeal to a creamy, dreamy custard texture, and to cut the cooking time down by more than half, we soak the oats for at least half an hour, up to (ideally) overnight.

Soaking the oats, especially soaking overnight, mimics the cooking process; helping starches break down and reducing the naturally-occurring phytic acid present in the oats. This makes the oats more digestible.

Just in case you needed any more motivation to pop some oats in to soak right now, here are a few additional benefits of soaking your breakfast oats

A real time-saver

Soaking your oats is the perfect way to have breakfast ready to go, especially if you soak overnight. You’ll soak your oats in the pot, and can pop them directly onto the heat from there. Cooking will take just 5-10 minutes, as opposed to the usual 30-40 minutes for creamy, soft oats.

Delicious and creamy oats in a flash

Oatmeal made from soaked oats is simply outstanding. The texture is soft, pillowy and creamy – all in a fraction of the usual time.

So where does the custard come in?

Now that we’ve got our beautiful soaked oats, we’re going to kick them up a notch! Adding eggs, milk, honey and vanilla to the just beginning to thicken oats adds a whopping serving of protein, healthy fats and vitamins, as well as ultra-luxurious creaminess to your breakfast. If you’re someone who doesn’t really enjoy eggs in the morning but needs the extra oomph that they bring, this is going to be the perfect way to start your day. 

If you try this recipe, let us know how it goes! Leave a comment, rate it, and don’t forget to tag your photo #theculinarycartel on Instagram so we can see what you come up with. To view our recipe video on Instagram click here. Happy cooking!

high protein overnight custard oats

Frequently Asked Questions

Can I make this gluten-free?

If you want to make this dish but suffer from gluten allergies or intolerance, make sure that the oats you use are gluten-free oats. Otherwise, proceed as normal, and enjoy! 

What toppings should I use?

Anything goes here! Fresh berries, toasted hazelnuts, seeds – just throw your favourites on there and enjoy! 

What kind of oats are best to use for custard oats?

Any rolled oats will work well for this recipe. Instant or steel-cut oats won’t necessarily be the best to use here, as the cooking times will be too quick or too long. 


high protein overnight custard oats
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high protein overnight custard oats

Custard Oats

  • Author: Jess Bunn
  • Total Time: 10 Minutes
  • Yield: 2 Servings
  • Diet: Vegetarian


A deliciously healthy, high-protein breakfast – it’s completely addictive!


  • 1 cup oats
  • 1 cup milk, water, or plant-based milk of your choice
  • 1/2 cup water
  • 1/2 tsp vanilla extract
  • 12 eggs
  • additional 1/41/2 cup milk (add more as needed)
  • a generous pinch of salt
  • 2 Tbsp honey
  • your favourite toppings, to serve


  1. Optional: For quick-cooking creamy oats, soak them! Mix 1 cup of milk or water with the oats, add the vanilla extract, then cover and leave to soak for a minimum of 30 minutes, up to overnight. If skipping the soak start on step 2, with your oats, vanilla and liquid in a sauce pan, and cook for a little longer to soften the oats.
  2. Place the oats and milk mixture over medium heat with an additional ½ cup of water, until just beginning to thicken, and the oats have softened.
  3. Thoroughly whisk 1-2 eggs with a small amount of milk (¼ to ½ cup), depending on how custardy you want the oats to be, and how much protein you want to include in the breakfast.
  4. Slowly pour the egg and milk mixture into the oats off the heat, otherwise, they will scramble. Return to the heat and slowly stir for about 5 minutes with a spatula or wooden spoon over medium-low heat. If the oats thicken too much, add more milk, water or plant-based milk of choice.
  5. Season with a generous pinch of salt – oats need salt for balance! Also, add 2 tablespoons of honey and toppings to taste. Serve and enjoy!
  • Prep Time: 5 Minutes
  • Cook Time: 5 Minutes
  • Category: Breakfast
  • Method: Stovetop
  • Cuisine: Healthy


  • Serving Size: 1
  • Calories: 493.54kcal
  • Sugar: 24.82g
  • Sodium: 165.86mg
  • Fat: 12.37g
  • Saturated Fat: 4.48g
  • Unsaturated Fat: 6.13g
  • Trans Fat: 0.01g
  • Carbohydrates: 76.43g
  • Fiber: 8.31g
  • Protein: 21.02g
  • Cholesterol: 100.2mg

Keywords: Custard Oats

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