Keto Green Smoothie Recipe

A velvety, nutrient-packed blend of creamy avocado, vibrant spinach, and smooth almond milk that delivers rich flavor while keeping carbs in check.
Difficulty:
Beginner
Prep Time:
5 mins
Cook Time:
Serves:
1 mocktail
A close-up of a tall, frosted glass showcasing a luxurious deep green smoothie with a silky texture captured in bright, natural daylight. Tiny flecks of spinach provide visual character against the smooth avocado base, while a perfectly placed avocado slice rests on the rim alongside a fresh spinach leaf. The condensation on the glass catches the light, emphasizing the drink's refreshing chill factor. In the background, blurred images of fresh ingredients – halved avocados, spinach leaves, and almond milk – create context for this keto-friendly blend.

Ingredients

<ul class="ingredients-main-list"><li class="ingredients-single-item">1/2 medium ripe avocado (approximately 75g)</li><li class="ingredients-single-item">60g fresh spinach leaves</li><li class="ingredients-single-item">240ml unsweetened almond milk (vanilla or plain)</li><li class="ingredients-single-item">120ml water</li><li class="ingredients-single-item">3-4 ice cubes</li><li class="ingredients-single-item">1/4 teaspoon vanilla extract (optional)</li><li class="ingredients-single-item">1 tablespoon MCT oil or coconut oil (optional)</li><li class="ingredients-single-item">1 tablespoon chia seeds (optional)</li><li class="ingredients-single-item">Pinch of sea salt</li><li class="ingredients-single-item">5-7 drops liquid stevia (optional, for sweetness)</li></ul>

Equipment

<ul class="equipment-main-list"><li class="equipment-single-item">High-speed blender</li><li class="equipment-single-item">Measuring cups and spoons</li></ul>
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Directions

<ol class="no-list-style"><li class="MethodStepper"><h4 class="step-title">Step 1</h4>Begin by preparing your ingredients. Slice open your avocado, remove the pit, and scoop out half into your blender. The ripeness of your avocado matters significantly – it should yield slightly to gentle pressure for the creamiest result.</li><li class="MethodStepper"><h4 class="step-title">Step 2</h4>Add the fresh spinach to your blender. Rinse the leaves thoroughly beforehand to remove any grit. For the best nutrient preservation, use fresh spinach rather than frozen, as fresh leaves retain more of their vibrant color and delicate flavor.</li><li class="MethodStepper"><h4 class="step-title">Step 3</h4>Pour in the unsweetened almond milk and water. The combination of these two liquids creates the perfect consistency – not too thick and not too thin. If you prefer a thicker smoothie, reduce the water by 60ml.</li><li class="MethodStepper"><h4 class="step-title">Step 4</h4>Add your ice cubes, vanilla extract (if using), MCT oil (if using for extra ketogenic benefits), chia seeds (if using for added omega-3s), and a pinch of sea salt. The salt may seem unusual, but it actually enhances the natural flavors without making the smoothie taste salty.</li><li class="MethodStepper"><h4 class="step-title">Step 5</h4>If desired, add your stevia drops to taste. Start with fewer drops and add more after blending if needed – you can always increase sweetness but can't reduce it once added.</li><li class="MethodStepper"><h4 class="step-title">Step 6</h4>Blend on high speed for 60-90 seconds until completely smooth and creamy. The extended blending time is crucial – it breaks down the spinach fibers thoroughly, creating a silky texture rather than a gritty one. The smoothie should appear uniformly green with a velvety consistency.</li><li class="MethodStepper"><h4 class="step-title">Step 7</h4>Pause and scrape down the sides of your blender with a spatula, then blend for another 15-20 seconds to ensure there are no remaining spinach pieces or avocado chunks.</li><li class="MethodStepper"><h4 class="step-title">Step 8</h4>Taste your smoothie and adjust as needed: add more stevia for sweetness, a few more ice cubes if you'd like it colder, or a splash more almond milk if it's too thick.</li><li class="MethodStepper"><h4 class="step-title">Step 9</h4>Pour immediately into a chilled glass for the most refreshing experience. Enjoy right away to preserve the vibrant green color and maximum nutritional benefits. The natural oxidation process will cause the smoothie to darken if left standing too long.</li></ol>

Nutrition Facts (per serving)

🍽️ Serving Size: 1 serving
🔥 Calories: 475 calories
🥑 Fat: 37 g
🧈 Saturated Fat: 12 g
🍞 Carbohydrates: 2 g
🍭 Sugar: 0 g
🍗 Protein: 35 g
🫀 Cholesterol: 110 mg
🧂 Sodium: 420 mg

Chef’s Notes

A few helpful details for making this recipe.

Can I substitute almond milk with other non-dairy alternatives in this green smoothie?

Absolutely! You can substitute almond milk with coconut milk (higher in fat, perfect for keto), unsweetened hemp milk, or macadamia nut milk. Avoid oat milk as it's higher in carbs. Each alternative will slightly alter the flavour profile while maintaining keto-friendly status.

Why does my green smoothie turn brown after sitting for a while?

The browning occurs due to oxidation – when the spinach's chlorophyll molecules are exposed to air. To prevent this, add a squeeze of lemon juice (which acts as a natural preservative), consume immediately, or store in an airtight container filled to the top to minimise air contact.

How can I increase the protein content while keeping this smoothie low-carb?

Boost protein while maintaining low-carb status by adding a scoop of unflavoured or vanilla keto-friendly protein powder, 1-2 tablespoons of hemp seeds, a tablespoon of sugar-free nut butter, or collagen peptides. These additions won't significantly impact the carb count while enhancing satiety.

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