Green Detox Smoothie

Featured in: Morning Glow Bites

A quick and refreshing green smoothie combining romaine, spinach, frozen banana, apple, lemon juice, and chia seeds. Simply blend all ingredients with filtered water until smooth in 1-2 minutes.

Perfect for a vegan, gluten-free breakfast or snack. Customize with avocado for creaminess or add plant-based protein powder for extra nutrition. Serve immediately over ice for best results.

Updated on Tue, 20 Jan 2026 08:45:00 GMT
A vibrant green detox smoothie in a glass garnished with fresh mint, blending romaine and spinach with a crisp apple and frozen banana. Save to Pinterest
A vibrant green detox smoothie in a glass garnished with fresh mint, blending romaine and spinach with a crisp apple and frozen banana. | yummywithmia.com

My blender was louder than usual that morning, but I didn't care. I'd been dragging through afternoons for weeks, and a friend swore by her green smoothie ritual. I tossed in whatever greens I had, a banana from the freezer, and hit the button. The color looked like something from a swamp, but the first sip was surprisingly sweet, bright, and left me feeling lighter than I had in months.

I started making this for my partner after she mentioned feeling sluggish at work. She was skeptical at first, eyeing the green liquid like I'd handed her pond water. But after three days, she was asking me to make extra so she could take some in a thermos. Now it's become our quiet morning routine, the blender whirring while we're still half asleep, and it feels like a small act of care before the day pulls us in different directions.

Ingredients

  • Romaine heart: Milder than kale and less bitter than some greens, it blends smooth and doesn't overpower the fruit.
  • Baby spinach: Packed tight, it disappears into the smoothie and adds iron without any grassy taste.
  • Frozen banana: This is what makes it creamy and naturally sweet, no need for honey or dates.
  • Apple: Adds a crisp sweetness and body, I use whatever's in the fruit bowl, no need to peel.
  • Lemon juice: Brightens everything and keeps the smoothie from tasting flat or too earthy.
  • Fresh mint leaves: Just a few leaves transform this into something refreshing, like drinking something from a spa.
  • Chia seeds: They thicken the smoothie slightly as it sits and add a little texture and staying power.
  • Filtered water: Keeps it light and drinkable, not heavy like when you use juice or milk.

Instructions

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Load the blender:
Toss the romaine, spinach, banana, apple, lemon juice, mint, and chia seeds into your blender in that order. Greens on the bottom help everything pull down toward the blade.
Add the liquid:
Pour in the filtered water, enough to cover most of the ingredients. Too little and it won't blend, too much and it gets watery.
Blend until smooth:
Start on low, then ramp up to high and let it run for a full minute or two until there are no green flecks. You want it completely smooth, not chunky.
Taste and tweak:
Give it a quick taste and add more lemon if you want brightness or another mint leaf if you want more freshness. This is your smoothie, adjust it.
Serve right away:
Pour it into glasses and drink it cold. It's best fresh, though it'll keep in the fridge for a few hours if you need to take it with you.
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Wash produce, prep ingredients, rinse cookware, and streamline cooking tasks with an all-in-one sink workstation.
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Glass of green detox smoothie beside sliced apple, lemon wedge, and chia seeds, served over ice for a refreshing morning start. Save to Pinterest
Glass of green detox smoothie beside sliced apple, lemon wedge, and chia seeds, served over ice for a refreshing morning start. | yummywithmia.com

One Saturday morning, I made a double batch and brought some to my neighbor who'd just had surgery. She texted me later saying it was the first thing that actually tasted good and didn't make her feel heavy. I realized then that this wasn't just a health kick drink, it was something gentle and kind, the sort of thing that helps you feel human again when you're worn down. It's been my go-to ever since, not just for me, but for anyone who needs a little reset.

How to Make It Creamier

If you want a thicker, richer smoothie, add a quarter of an avocado before blending. It doesn't add much flavor, but it makes the texture silky and more filling. You can also toss in a handful of ice cubes, which gives it that frosty, almost milkshake-like consistency. I do this on hot mornings when I want something that feels more substantial.

Swaps and Variations

You can use kale instead of spinach if that's what you have, though it'll taste a bit more green and earthy. Swap the apple for a pear or a handful of pineapple if you want it sweeter. If you're adding protein powder, blend it in at the end for just a few seconds so it doesn't get foamy. I've also used coconut water instead of regular water when I want a hint of tropical flavor.

Storing and Prepping Ahead

This smoothie is best fresh, but you can prep freezer packs with the greens, banana, and apple already portioned out. Just grab a bag, dump it in the blender with water and the other ingredients, and blend. It'll keep in the fridge for up to four hours, though it may separate a bit, just give it a stir.

  • Freeze your bananas ahead of time in slices so they're ready to go.
  • Wash and dry your greens the night before to save morning prep time.
  • Store chia seeds in a sealed jar so they stay fresh and don't clump.
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The green detox smoothie pours smoothly from a blender into two glasses, creamy from banana, bright with mint, and garnished with a leaf. Save to Pinterest
The green detox smoothie pours smoothly from a blender into two glasses, creamy from banana, bright with mint, and garnished with a leaf. | yummywithmia.com

This smoothie has become my quiet little reset button, the thing I reach for when I need to feel clear and light again. It's simple, it's fast, and it works.

Common Recipe Questions

Can I prepare this smoothie in advance?

It's best enjoyed immediately after blending for optimal texture and nutrient retention. However, you can prep ingredients the night before by chopping greens and fruits, storing them in containers. Blend fresh when ready to drink.

What type of blender do I need?

A high-speed blender works best to fully incorporate leafy greens and chia seeds into a smooth consistency. Standard blenders may leave chunks of greens or seeds. If using a regular blender, blend longer or chop ingredients smaller.

How can I make it thicker or creamier?

Add 1/4 avocado for natural creaminess, use more frozen banana, or include ice cubes. You can also reduce water by 1/4 cup. For protein content, blend in a scoop of plant-based protein powder.

Are there good substitutions for the greens?

Yes, kale is an excellent spinach substitute and adds more minerals. You can also use arugula, collard greens, or swiss chard. Vary greens to keep fresh flavors while maintaining similar nutritional benefits.

Is this suitable for those with nut allergies?

The smoothie itself contains no nuts, but chia seeds may have cross-contamination with nuts or sesame during processing. Always check product labels carefully and verify with manufacturers before consuming if you have severe allergies.

Can I use fresh banana instead of frozen?

Yes, but the texture will be less thick and creamy. Add ice cubes to compensate for the lack of frozen fruit. Fresh banana works well if you prefer a lighter consistency or thinner smoothie.

Green Detox Smoothie

Nutrient-packed smoothie blending leafy greens, fruits, and chia seeds for a revitalizing morning drink.

Prep Time
5 minutes
Cooking Duration
1 minutes
Overall Time
6 minutes
Created by Mia

Recipe Type Morning Glow Bites

Skill Level Easy

Culinary Origin International

Total Output 2 Portion Size

Dietary Preferences Plant-Based, Dairy-Free, Gluten-Free

What You'll 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

Steps to Follow

Step 01

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

Step 02

Add Liquid: Pour in the filtered water.

Step 03

Blend Until Smooth: Blend on high until completely smooth, approximately 1-2 minutes.

Step 04

Adjust Seasoning: Taste and adjust lemon or mint as desired.

Step 05

Serve: Pour into glasses and enjoy immediately.

Tools Required

  • High-speed blender
  • Chef's knife
  • Measuring cups and spoons

Allergy Warnings

Please review individual ingredients for potential allergens and reach out to a healthcare professional if unsure.
  • Contains chia seeds with possible cross-reactivity for those with sesame allergies.
  • Verify chia seed and plant-based ingredient labels for potential nut or gluten cross-contamination.

Nutritional Info (per serving)

These details are for reference only and shouldn't replace professional medical consultation.
  • Calories Count: 110
  • Fats: 2.5 grams
  • Carbohydrates: 24 grams
  • Proteins: 3 grams