Green Detox Smoothie

Featured in: Light & Natural Everyday Bowls

This vibrant green smoothie combines crisp romaine and nutrient-dense spinach with naturally sweet frozen banana and fresh apple. A squeeze of lemon adds brightness, while fresh mint leaves provide a cooling finish. Chia seeds deliver omega-3s and a subtle texture, creating a perfectly balanced beverage ready in just five minutes.

Customize with avocado for creaminess or plant-based protein for an extra boost. The versatility makes it ideal for busy mornings when you need something quick yet nourishing.

Updated on Wed, 21 Jan 2026 10:32:00 GMT
A tall glass of vibrant green detox smoothie, packed with romaine, spinach, and chia seeds, sits beside fresh mint and lemon slices.  Pin this
A tall glass of vibrant green detox smoothie, packed with romaine, spinach, and chia seeds, sits beside fresh mint and lemon slices. | terrawhisk.com

The morning I discovered this smoothie, I had overwatered my herb garden and was frantically trying to use up all the mint before it wilted. My kitchen counter was chaos, but throwing handfuls of fresh mint into a blender with whatever greens I had on hand turned into this surprisingly bright combination that actually made me want to drink vegetables for breakfast.

Last spring, my sister came to visit and was skeptical of anything green for breakfast. I made this without telling her what was in it, and she actually asked for the recipe before she even finished her first glass. Now she texts me photos of her own versions, usually with extra mint because she got hooked.

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Ingredients

  • Romaine heart: Using the heart instead of outer leaves makes this noticeably sweeter and less bitter
  • Baby spinach: Pack it down in the measuring cup because it cooks down to nothing when blended
  • Frozen banana: The secret to that milkshake-like texture without any dairy or ice
  • Fresh apple: Leave the skin on for extra fiber and a pretty speckled look
  • Lemon juice: Brightens everything and keeps the apples from browning if you make ahead
  • Fresh mint: Dont be shy with it, the mint is what makes this taste special instead of just healthy
  • Chia seeds: They thicken the smoothie slightly as it sits and add omega-3s
  • Filtered water: Use really good water since you can taste it clearly here

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Instructions

Load your blender:
Toss in the chopped romaine, spinach, banana slices, apple chunks, lemon juice, mint, and chia seeds, adding them in any order since everything gets blended anyway
Add the water:
Pour in the filtered water and let it sit for about 30 seconds so the chia seeds start softening
Blend it up:
Start on low and work up to high speed, blending for a full minute or two until you cannot see any green flecks
Taste and tweak:
Give it a try and add more lemon if it needs brightness or another mint leaf if you want more freshness
Serve right away:
Pour into two glasses and drink immediately while still cold, or add ice if you prefer it thicker
This refreshing green detox smoothie is poured into a clear glass, with a chilled morning backdrop and a slice of apple.  Pin this
This refreshing green detox smoothie is poured into a clear glass, with a chilled morning backdrop and a slice of apple. | terrawhisk.com

This became my go-to when I was working crazy hours and needed something that felt like self-care but took zero thought. Theres something about starting the day with something so vibrantly green that makes everything else feel more possible.

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Make It Your Own

I have played around with this base so much that it rarely looks the same twice. Sometimes I swap the apple for pear when I want something more subtle, or I throw in a few cucumber slices for extra hydration on hot mornings.

Smoothie Prep

On Sundays, I portion the spinach, banana, and apple into freezer bags so I can just dump and blend during the week. The frozen fruit actually makes it creamier than fresh, and it saves those frantic mornings when I cannot decide what to eat.

Serving Ideas

This smoothie pairs beautifully with anything nutty or crunchy. I love it alongside almond butter toast or sprinkled with hemp seeds on top for some texture. The bright flavors also cut through rich breakfast foods perfectly.

  • Top with fresh fruit slices for pretty presentation
  • Add a pinch of sea salt to bring out sweetness
  • Drink within 15 minutes for best texture
Enjoy a nourishing green detox smoothie blending leafy greens and frozen banana, topped with a sprinkle of chia seeds. Pin this
Enjoy a nourishing green detox smoothie blending leafy greens and frozen banana, topped with a sprinkle of chia seeds. | terrawhisk.com

Heres to mornings that feel both gentle and energizing all at once.

Recipe FAQs

Can I make this ahead of time?

Best enjoyed immediately for optimal freshness and texture. If storing, keep in an airtight container in the refrigerator for up to 24 hours and give it a quick stir before drinking.

What can I substitute for the banana?

Try frozen mango or pineapple for natural sweetness. Avocado works well for creaminess without the fruit flavor, or add a few dates for sweetness along with extra ice.

How do I make it thicker?

Add frozen banana, include ice cubes, or blend in 1/4 avocado. Reducing the water slightly also creates a thicker consistency perfect for spoonable versions.

Is this suitable for meal prep?

Prepare individual portions of chopped ingredients in freezer bags. When ready to blend, just add water and blend—perfect for busy weekdays or grab-and-go mornings.

Can I use different greens?

Kale, Swiss chard, or even butter lettuce work beautifully. Start with smaller amounts of stronger-flavored greens like kale and adjust to your taste preference.

How can I add more protein?

Stir in a scoop of plant-based protein powder, add a tablespoon of hemp seeds, or blend in Greek yogurt if not dairy-free. Nut butters also boost protein content.

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Green Detox Smoothie

Refreshing blend of romaine, spinach, banana, apple, and chia seeds for a revitalizing morning start.

Time to prep
5 min
0
Overall time
5 min
Created by Naomi Carter


Skill level Easy

Cuisine International

Makes 2 Portions

Dietary notes Plant-based, No dairy, No gluten

What you need

Greens

01 1 romaine heart, chopped
02 1 cup baby spinach, packed

Fruits

01 1 frozen banana, sliced
02 1 medium apple, cored and chopped
03 Juice of 1/2 lemon

Herbs & Seeds

01 5–6 fresh mint leaves
02 1 tablespoon chia seeds

Liquid

01 1 1/2 cups filtered water

Directions

Step 01

Combine Ingredients: Place the romaine heart, baby spinach, frozen banana, apple, lemon juice, mint leaves, and chia seeds into a high-speed blender container.

Step 02

Add Liquid: Pour the filtered water over the ingredients in the blender.

Step 03

Blend Until Smooth: Blend on high speed until completely smooth, approximately 1–2 minutes, stopping to scrape down sides if needed.

Step 04

Adjust Seasoning: Taste the smoothie and adjust with additional lemon juice or mint leaves according to preference.

Step 05

Serve Immediately: Pour into serving glasses and enjoy while cold for optimal freshness and texture.

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Tools needed

  • High-speed blender
  • Knife
  • Measuring cups and spoons

Allergens

Review ingredients for allergies and speak with your healthcare provider if you're unsure.
  • Contains chia seeds (possible cross-reactivity for those with sesame allergies)
  • Check chia seed labels for possible nut or gluten cross-contamination

Nutrition details (each serving)

This info is a reference and doesn’t replace advice from your doctor.
  • Energy: 110
  • Lipids: 2.5 g
  • Carbohydrates: 24 g
  • Proteins: 3 g

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