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The Flexitarian » Recipe » High-Protein Fruit Smoothie

High-Protein Fruit Smoothie

May 14, 2026 · The Flexitarian Leave a Comment

5 from 1 vote

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This high-protein fruit smoothie is a delicious way to fuel your day without protein powder. Packed with nutrients it is perfect for breakfast, post-workout recovery, or a healthy snack, this creamy smoothie combines fresh fruit with protein-rich ingredients for a refreshing energy boost.

high protein fruit smoothie in glass

High Protein Fruit Smoothie – Easy, Healthy Breakfast or Post‑Workout Recipe

Looking for a high-protein fruit smoothie that’s creamy, satisfying, and naturally nutritious? Whether you need a quick breakfast, a post‑workout refuel, or a healthy afternoon boost, this smoothie without protein powder is the perfect choice.

Packed with 17–21g of protein per serving, it is made with skyr, soya milk, oats, chia seeds, and fruits. It’s an easy healthy breakfast or post-workout smoothie that keeps you full for hours.

Because it is so silky and smooth, this recipe could have easily been called “Strawberry and Cream Smoothie”. But this creamy fruit smoothie is so versatile that you can make it year-round using fresh or frozen seasonal fruits, like strawberries, blueberries, mango, peaches or bananas.

🌱 MAKE IT VEGAN :  to make this protein smoothie vegan, you can swap skyr for a plant-based alternative (like Sojade Natural Skyr Yoghurt) keeping in mind the dairy-free option might contain less protein than the conventional one.

Seasonal Fruit Ideas

  • Spring/Summer: Strawberries, blueberries, cherries, raspberries, mango, peaches
  • Autumn: Pears, apples, plums
  • Winter: Pineapple, kiwi or frozen berries and banana for a thick, rich texture (you will need to add more soya milk so adjust the consistency)

Why Choose a High-Protein Fruit Smoothie?

After focusing on increasing my daily protein intake, I started experimenting with naturally high-protein smoothies that were filling, balanced, and easy to make without protein powder.

Most traditional smoothies are tasty but light on protein. This recipe changes that by blending unsweetened soya milk, skyr, chia seeds, and rolled oats for a protein‑rich, fibre‑filled drink that keeps you full and energised for hours.

alpro soay milk bottles

I recently switched from regular Alpro Soya Milk to Alpro Plant Protein Soya Milk. Although it’s slightly more expensive, it contains around 50% more protein, making it an easy way to add extra protein to smoothies and breakfasts without noticing it.

What Is Skyr

Skyr is a traditional Icelandic dairy product. Mild and creamy, it looks and tastes similar to Greek yoghurt, but is technically a cheese (even though most people refer to it as yoghurt).

Naturally fat free and less tangy than Greek yoghurt, it is made by straining skimmed milk and fermenting it with bacterial cultures and rennet, resulting in a thick, creamy texture and a naturally high-protein content.

Most brands available in UK supermarkets do not use traditional animal-derived rennets, making skyr suitable for vegetarians.

healthy strawberry high protein smoothie

Other High-Protein Recipes

  • Vegan High-Protein Breakfasts
  • Tofu Breakfast Scramble
  • Tropical Green Smoothie Bowl

Watch How To Make A High-Protein Fruit Smoothie


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How to Make A High-Protein Fruit Smoothie

Ingredients

  • unsweetened soya milk (conventional or high in protein)
  • skyr
  • seasonal fruits (strawberry, blueberry, raspberry, mango, banana etc..)
  • rolled oats
  • chia seeds

Step 1: Blend

Add all ingredients to a blender. Blend until completely smooth.

Step 2:

Sweeten to taste with honey, maple syrup, dates etc.. Adjust the thickness with a little more soya milk if needed.

protein smoothie without protein powder

Nutrition and Protein Breakdown (per serving)

  • Protein: 17–21 g (depending on the type of soya milk you use)
  • Fibre: 8 g
  • Energy: ~300 kcal (based on not adding any extra sweetener)

This smoothie makes an ideal high-protein healthy breakfast smoothie or post‑workout smoothie that replenishes muscles and sustains energy.

IngredientProtein / Smoothie
Soya milk8-12.5g (depending on soya milk – see note 1)
Skyr5g
Oats2g
Chia seeds2g
High protein fruit smoothie

How To Make a High-Protein Smoothie Without Protein Powder

To maximise the protein content fo your smoothies without adding protein powder, try one or more of these simple upgrades:

  • Add a tablespoon of peanut or almond butter: adds around 4 g extra protein and a creamy nutty flavour.
  • Choose high‑protein soya milk
  • Stick with Skyr over Greek yoghurt: it’s higher in protein and lower in sugar.
  • Serve with a small handful of nuts: almonds or walnuts add crunch and boost healthy fats.

Frequently Asked Questions

How much protein is in this high-protein fruit smoothie?

This smoothie contains approximately 17–21g of protein per serving, depending on the type of soya milk and skyr you use.

What fruits work best in a high-protein smoothie?

Summer berries, bananas, mango, peaches, pineapple, and cherries all work well. Frozen fruits also create a thicker texture.

Is this smoothie good for breakfast?

Absolutely. With protein, fibre, and slow-releasing carbohydrates, this smoothie makes a filling and balanced breakfast that can help keep you satisfied for longer.

Can I prepare this smoothie ahead of time?

This smoothie is best enjoyed fresh, but you can store it in the fridge for up to 24 hours. Give it a good shake or stir before drinking.

Can I make this smoothie vegan?

Yes. Simply replace the skyr with a dairy-free alternative or a high-protein plant-based yoghurt.

I hope you enjoy this protein-rich smoothie recipe as much as I do. If you do make it, don’t forget to tag me on Instagram! Make sure to save this recipe for later and share it with friends and family looking for fresh, healthy meal ideas!

High protein fruit smoothie

High-Protein Fruit Smoothie

This high-protein fruit smoothie is the ultimate balance of taste, nutrition, and simplicity. With just a few ingredients and your choice of seasonal fruits, you can make two generous servings in under five minutes. Perfect for busy mornings or post‑gym recovery.
5 from 1 vote
DieTARY CHOICEHigh Protein Recipes
Print Recipe Add to Shopping ListAdd to Shopping List Pin Recipe
Prep Time 5 minutes mins
Total Time 5 minutes mins
Course Breakfast & Brunch, Smoothies
Cuisine American
Servings 2 servings
Calories 289 kcal

Equipment

Blender

Disclaimer: the equipment list above includes affiliate links to products I use and like.

Watch How To Make This Recipe

Ingredients
 
 

  • 500 ml unsweetened soya milk see note 1
  • 100 g skyr
  • 200 g seasonal fruits (strawberry, blueberry, raspberry, mango, banana etc..)
  • 25 g rolled oats
  • 2 Tbsp chia seeds

OPTIONAL:

  • Sweeten to taste with honey, maple syrup, dates etc.. see note 2
(Switch on to prevent your screen from going dark)

Instructions
 

  • Put all the ingredients in a blender and whizz until smooth.
    500 ml unsweetened soya milk, 100 g skyr, 200 g seasonal fruits, 25 g rolled oats, 2 Tbsp chia seeds
  • Sweeten to taste. Adjust the thickness with a little more soya milk if needed. Serve.
    Sweeten to taste with honey, maple syrup, dates etc..

Notes

Note 1:  Conventional soya milk contains 3.3g of protein per 100ml. You can swap it with a high protein alternative such as Alpro High Protein Soya Milk which contains 5g of protein per 100ml. 
Note 2: You can sweeten this smoothie to taste with honey, maple syrup. Alternatively you can also blend in some dates or banana (keep in mind that this will change the overall consistency and you might have to add more soya milk).

Nutrition

Serving: 1servingCalories: 289kcalCarbohydrates: 32gProtein: 17gFat: 11gSaturated Fat: 2gPolyunsaturated Fat: 6gMonounsaturated Fat: 2gTrans Fat: 0.01gCholesterol: 3mgSodium: 149mgPotassium: 599mgFiber: 8gSugar: 13gVitamin A: 1028IUVitamin C: 77mgCalcium: 507mgIron: 3mg
Keyword high protein, smoothie

Find this recipe online:

High-Protein Fruit Smoothie

https://theflexitarian.co.uk/recipe-items/high-protein-fruit-smoothie/

DID YOU MAKE THIS RECIPE? Leave a review in the comments below! or share it on Instagram tagging @theflexitarianuk.

I cannot wait to see your posts!

Other Things You Might Like

  • The Hidden Soy In Our Diets
  • How To Bake With Protein Powders
  • Vegan High Protein Breakfasts
  • Simple Vegan Mayo
  • How To Make A Smoothie Without A Recipe
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