
This Healthy Key Lime Pie Smoothie captures all the tangy flavor of the classic dessert in a creamy and nutritious sippable treat. It is perfect for breakfast or when you crave something refreshing but still want to keep things wholesome.
This recipe was my lifesaver during a steamy summer when I craved dessert but wanted to keep things light. My friends beg for this after our morning workouts because it feels like a treat but leaves us energized.
Ingredients
- Frozen banana: adds natural sweetness and gives the smoothie its creamy texture always use ripe bananas for best flavor
- Plain Greek yogurt: brings protein and a luscious body choose full fat for extra creaminess or swap for a dairy free yogurt if needed
- Key lime juice: provides signature tartness regular lime juice also works but key limes give extra brightness
- Honey: naturally sweetens to balance the tang use agave or maple if vegan
- Finely grated lime zest: boosts that lime flavor choose unwaxed limes with a thin skin and a strong citrus aroma
- Vanilla extract: gives a subtle dessert like undertone pure vanilla makes a noticeable difference here
- Ice: optional thickens and chills the smoothie
- Fresh spinach leaves: optional adds beautiful green color without altering the taste pick crisp organic leaves
- Crushed graham cracker crumbs: classic key lime pie crunch for your rim look for whole grain or gluten free options
- Lime wedge: optional for garnish makes the presentation pop and adds extra aroma
Step-by-Step Instructions
- Blend the Base:
- Add the frozen banana sliced yogurt key lime juice honey lime zest and vanilla extract into your blender If you want a brighter green color toss in a handful of fresh spinach Blend on high until completely smooth scraping the sides if needed for even blending
- Adjust the Texture:
- Add ice a handful at a time then blend again until your ideal consistency is reached For a thick milkshake feel use more ice for a thin smoothie start with less
- Prepare the Glass:
- Rub the rim of your serving glass with a bit of lime juice Press the rim into your crushed graham cracker crumbs so they stick and form an even layer
- Serve and Garnish:
- Pour your finished smoothie into the prepared glass Top with a fresh lime wedge if you like and serve right away for the best creamy texture

I never skip the lime zest in this smoothie The first time I tried the recipe without it the flavor just fell flat It is the secret to achieving that true key lime pie vibrancy that made my family love this smoothie from the first sip
Storage Tips
If you have leftovers pour the smoothie into ice cube trays and freeze Once frozen toss cubes into a blender with a splash of milk to enjoy again within three months This method keeps the texture thick and creamy instead of watery
Ingredient Substitutions
You can swap the Greek yogurt for any thick yogurt or even silken tofu for a plant based version Lemon juice and zest also work if limes are out of reach For a more decadent treat replace two tablespoons of yogurt with a bit of cream cheese to mimic real pie

Serving Suggestions
Serve in pretty glasses with the graham cracker rim and a lime twist for a brunch treat For kids the smoothie is delicious as popsicles just add a touch more honey pour into molds and freeze for a healthy snack
Recipe FAQs
- → How can I make this smoothie creamier?
For extra creaminess, replace 2 tablespoons of Greek yogurt with cream cheese before blending. This adds a rich, smooth texture reminiscent of pie filling.
- → Can I use regular lime if I don't have key limes?
Absolutely. Regular lime juice and zest work well in place of key limes, providing the same bright, citrusy flavor.
- → What can I use instead of honey?
Maple syrup, agave nectar, or your favorite sweetener can substitute for honey based on your taste and dietary preferences.
- → How do I enhance the green color without affecting flavor?
Add a handful of fresh spinach leaves before blending. Spinach gives a beautiful color but remains neutral in taste.
- → What are some serving suggestions?
Serve chilled in a glass rimmed with crushed graham cracker crumbs and garnish with a lime wedge for a festive finish.
- → How can I store leftovers?
Freeze any remaining smoothie in ice cube trays. Reblend cubes with a splash of milk or yogurt within three months for a quick treat.