This creamy high-fiber smoothie packs in 15 grams of filling fiber and blends up in just 5 minutes for a healthy breakfast I am absolutely obsessed with! Made with simple ingredients like frozen mixed berries, baby spinach, chia seeds and Greek yogurt (it’s also got 20 grams of protein) this no banana smoothie won’t leave you hungry 30 minutes later. Perfect for busy mornings, or a quick post-workout snack!

A tall glass of mixed berry smoothie topped with berries and garnished with a slice of orange, set on a white surface alongside sliced oranges and leafy greens in the background.
With it’s fresh flavor and vibrant color, this high fiber mixed berry smoothie makes it easy (and delicious) to meet your daily fiber needs (15 grams in this baby)!

Repeat after me: High-fiber breakfasts should be delicious! And if you have your doubts, this fiber-packed smoothie is here to prove that. Trust me, this isn’t like the sludge you might picture when you think high fiber drink. I actually call it my sunshine smoothie because it’s so smooth, bright and refreshing. 

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One of the things I often hear as a dietitian is that while smoothies are delicious, they aren’t always filling (or that they’re just going to spike blood sugars with all that fruit in there). That’s where fiber comes in. Not only is fiber bulky, acting to provide a feeling of physical fullness, it actually counteracts the rise of blood sugars. So you can definitely have your fruit smoothie, and drink it too 😉

A flat lay of mixed berry smoothie ingredients on a pink surface: peeled orange slices on a plate, a bowl of Greek yogurt, fresh spinach leaves, mixed berries, a glass of milk, and chia seeds—each item clearly labeled.
Just six simple ingredients in this easy breakfast smoothie including fiber-rich frozen berries, spinach, chia seeds and orange segments. So good.

Key Ingredients to Make This Smoothie Fiber-Packed (and still taste amazing) 

There are two types of fiber, soluble and insoluble. Both have incredible benefits so I wanted to make sure to add a nice little mix of both. 

Soluble fiber is particularly known to support blood sugar balance, and keep us full longer. For that, I’ve included chia seeds, and fresh orange. I initially tested this recipe without the chia seeds but I love a thick smoothie, and the chia seeds give this breakfast smoothie a much more shake-like consistency while adding around 5g of extra fiber!

Insoluble fiber, or “roughage”, is known to fill us up with its bulk, support digestion, and keep us regular. Spinach and the frozen mixed berries fill that role here.

And when combined with protein-rich Greek yogurt and satiating fats from the chia, we’ve got my ultimate PFF combo (protein fat and fiber) for a balanced and filling smoothie that’s better than an Orange Julius.

Let’s Blend This Drink Up Together!

A hand holds a blender jar containing orange slices, frozen mixed berries, and spinach leaves, ready for blending.
Add your liquids to the blender firs for easier blending.
Close-up of a blender with a frothy pink smoothie inside. The smoothie has small bubbles on the surface and appears creamy. The interior of the blender has some streaks of smoothie along the sides.
Blend until smooth and creamy.
A glass of mixed berry smoothie topped with frozen berries and garnished with an orange slice sits on a white surface, with a bowl of berries and a plate of orange slices in the background.
Pour that gorgeous berry smoothie blend into your favorite glass and enjoy!s

Watch how to make it here

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A glass of mixed berry smoothie with a clear straw, topped with blueberries and strawberries. In the background, blurred orange slices and a bowl of greens. The surface is a light pinkish hue.

Creamy High Fiber Mixed Berry Smoothie (15g Fiber!)

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 2 reviews
  • Author: Lindsay Pleskot, RD
  • Prep Time: 5
  • Total Time: 5 minutes
  • Yield: 1 1x
  • Category: Beverages, Breakfast
  • Method: Blended
  • Cuisine: American
  • Diet: Vegetarian
Print Recipe

Description

This creamy high-fiber smoothie blends together in under 5 minutes with just six simple ingredients. Packed with around 15 grams of fiber from frozen mixed berries, baby spinach, fresh orange, and chia seeds (plus around 20 grams of protein thanks to plain Greek yogurt), it’s a balanced banana-less smoothie that supports digestion and actually keeps you full for longer than 30 minutes. Perfect for busy mornings, an easy breakfast, or a nourishing grab-and-go snack.

Ingredients

Scale
  • 1 cup frozen mixed berries (I like blueberries, blackberries, raspberries and/or strawberries)
  • ½ navel orange, peeled
  • 1 cup spinach
  • ½ cup plain Greek yogurt
  • ½ cup milk of choice
  • 1 Tbsp chia seeds

Instructions

  1. To a high-speed blender, add the berries, orange, spinach, yogurt, milk, and chia seeds.
  2. Blend until completely smooth, stopping to scrape down the sides with a spatula if needed, approximately 30 seconds.

Notes

Meal Prep: You can totally meal prep this smoothie to save time on busy mornings. Here are 2 ways to do that!

Portion out all the dry ingredients into freezer bags or containers (berries, orange, spinach, chia seeds) and pop them in the freezer. When you’re ready, just dump everything into your blender, add your milk and yogurt, and blend!

Make a big batch and store in individual sealable jars in the fridge (I love using these rust proof lids!) 

Storage: These will store in the fridge up to 5 days. Alternatively, you can store in the freezer for up to 3 months. I like to either freeze my smoothies in jars (leaving 1-2 inches from the top as the liquid can expand when frozen) or in ice cube trays of silicone muffin tins, then store in a sealable freezer bag once frozen.

If liquid separates after sitting in the fridge, just give them a quick shake before drinking and you’ll be good to go!