Healthy Key Lime Pie Smoothie

Featured in Sip in Style.

This healthy key lime pie smoothie captures the zingy flavor of fresh lime juice paired with sweet banana and creamy yogurt. Frozen banana gives it body while lime zest and juice deliver bright citrus notes. Blend everything together in minutes, and adjust the texture with ice, or add fresh spinach for a naturally green color. For an indulgent twist, substitute a bit of yogurt with cream cheese. Garnish with crushed graham cracker crumbs or a lime wedge if you like. Versatile, diabetes-friendly, and quick to prepare—this smoothie is a great choice for breakfast or as a light dessert.

Barbara Chef
Updated on Tue, 27 May 2025 15:46:56 GMT
Two glasses of lime juice with limes on the side. Pin it
Two glasses of lime juice with limes on the side. | gracefulflavors.com

This healthy key lime pie smoothie delivers tropical flavor in just five minutes and has become a favorite for both breakfast and a light dessert. It is tangy and refreshing but still creamy, and you can make it with ingredients you almost always have on hand. The blend of banana, lime, and a touch of honey gives you that classic pie taste in sippable form—you will reach for this when you need a nourishing pick-me-up. The first time I made this was during a summer heatwave when I wanted something cool yet wholesome, and I have made it at least a dozen times since.

I first tried this while craving something sweet but not heavy and now I keep frozen bananas just for smoothie emergencies. It quickly became my go-to on hot days when I want something satisfying but refreshing.

Ingredients

  • Frozen banana: gives creaminess and natural sweetness make sure your banana is fully ripe before freezing for maximum flavor
  • Plain Greek yogurt or any thick dairy-free yogurt: provides protein and a creamy pie-like texture choose one with minimal sugar for the healthiest result
  • Fresh key lime or regular lime juice: supplies the signature tang use freshly squeezed for the brightest flavor
  • Honey or your sweetener of choice: lets you control the sweetness local honey will give extra floral notes
  • Finely grated lime zest: intensifies the vibrant citrus flavor be sure to use unwaxed limes if you can find them
  • Pure vanilla extract: rounds out the sharp lime with a subtle mellow note aim for real vanilla for best taste
  • Optional ice: thickens and chills the smoothie adjust to your preferred texture
  • Optional spinach: adds a fun pop of color with no spinach taste rinse well and use just a few leaves
  • Optional toppings: graham cracker crumbs and a lime wedge nails the key lime pie experience crushed gluten-free cookies also work if needed

Step-by-Step Instructions

Prepare the Ingredients:
Slice and freeze a ripe banana at least four hours ahead for the best creamy base. Juice and zest your limes right before making the smoothie to capture all the citrus oils and aroma.
Blend Everything:
Combine the frozen banana yogurt lime juice honey lime zest and vanilla extract in your blender. Add a few ice cubes if you want a thicker frosty texture. Add spinach now if you want a subtle green hue. Blend until fully smooth and creamy and scrape down the sides as needed to make sure everything is evenly combined.
Taste and Adjust:
Pause to taste your smoothie. If you want more tang add an extra squeeze of lime juice. For more sweetness add a drizzle more honey or maple syrup. If it feels too thick splash in a little water or plant milk and blend again.
Garnish and Serve:
If you want to garnish the glass rub lime juice around the rim and roll it in crushed graham cracker crumbs or cookies. Pour the smoothie into your glass and serve immediately with an extra sprinkle of zest or a lime wedge on top.
Two glasses of lime juice with a straw in them. Pin it
Two glasses of lime juice with a straw in them. | gracefulflavors.com

You Must Know

  • Naturally gluten–free and can be made entirely dairy–free
  • High in vitamin C potassium and fiber
  • Easily made ahead and turned into ice pops for a fun snack

One of my favorite parts is the lime zest because it delivers that sharp citrus kick that makes this taste just like the pie we always had at summer family picnics. Every year it reminds me of our kitchen full of cousins fighting over the last slice of key lime pie.

Two glasses of milk with limes on the side. Pin it
Two glasses of milk with limes on the side. | gracefulflavors.com

Storage Tips

Smoothies taste best fresh but you can freeze leftovers in ice cube trays then re-blend with a splash of milk whenever you want a quick treat. These cubes can keep up to three months in an airtight container—great for prepping ahead when you have extra bananas or limes.

Ingredient Substitutions

If you do not have key limes use regular limes or even lemons for a twist. You can swap out the Greek yogurt for coconut or cashew yogurt for a vegan option and agave or maple syrup works just as well as honey. For a nutty flavor add a spoonful of cashew butter.

Serving Suggestions

Pour into chilled glasses and top with a swirl of whipped coconut cream and crushed graham crackers for a dessert presentation. For a healthy snack let your kids build their own smoothie bowls with granola and fresh fruit on top. You can even freeze into popsicle molds for sunny days.

A Little Slice of Sunny Florida

Key lime pie is a beloved dessert from Florida and this smoothie was inspired by all the zesty pies we tasted on childhood beach trips. I always associate that tart flavor with sunny weather and easygoing summer meals—now you can bring a little of that tradition to your breakfast glass.

Frequently Asked Questions

→ How can I make the smoothie greener?

Add a few fresh spinach leaves to the blender. The flavor is very mild but adds vibrant color.

→ What can I use instead of Greek yogurt?

You can substitute dairy-free yogurt for a vegan option or use regular plain yogurt for a similar texture.

→ Is it possible to make this smoothie sweeter?

Increase the amount of honey or add your favorite sweetener to your taste for a sweeter blend.

→ Can I use regular lime instead of key lime?

Yes, regular lime juice and zest work well and still offer a bright tangy flavor.

→ How can I store leftover smoothie?

Freeze in ice cube trays and blend with a splash of milk later. Keeps for up to 3 months in the freezer.

→ Is it suitable for a dairy-free diet?

Absolutely. Simply use a dairy-free yogurt or plant-based alternative for a fully dairy-free smoothie.

Healthy Key Lime Pie Smoothie

Refreshing blend of lime, banana, and creamy yogurt delivers bold citrus flavor in minutes.

Prep Time
5 Minutes
Cook Time
~
Total Time
5 Minutes
By: Barbara


Difficulty: Easy

Cuisine: American

Yield: 1 Servings (1 smoothie)

Dietary: Vegetarian

Ingredients

→ Main Ingredients

01 1 frozen banana, sliced
02 130 g plain Greek yogurt or dairy-free yogurt alternative
03 60 mL key lime juice or regular lime juice
04 15 mL honey or sweetener of choice
05 0.5 tsp finely grated lime zest
06 1.2 mL vanilla extract

→ Optional Additions

07 Ice, as needed, for desired texture
08 Fresh spinach leaves, for color

→ Garnish

09 Crushed graham cracker crumbs
10 Lime wedge

Instructions

Step 01

Combine banana, yogurt, lime juice, honey, lime zest, and vanilla extract in a blender. Add spinach leaves for color if desired. Blend until smooth, adding ice to adjust consistency.

Step 02

Rub the rim of a serving glass with lime juice, then dip into crushed graham cracker crumbs to coat.

Step 03

Pour the smoothie into the prepared glass. Garnish with a lime wedge if desired and serve immediately.

Notes

  1. For a creamier smoothie, substitute 2 tablespoons of yogurt with cream cheese.
  2. To enhance green color, add several fresh spinach leaves; flavor remains neutral.
  3. Swap lime with lemon juice and zest for a citrus variation.
  4. To make popsicles, add extra honey, pour into molds, and freeze.
  5. For storage, freeze leftovers in ice cube trays and reblend with a splash of milk within 3 months.

Tools You'll Need

  • Blender
  • Measuring cups and spoons
  • Sharp knife
  • Cutting board
  • Serving glass

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy if not using a dairy-free yogurt alternative.
  • Possible gluten from graham cracker garnish.
  • Contains honey if not using a vegan sweetener.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 254
  • Total Fat: 0.5 g
  • Total Carbohydrate: 56.3 g
  • Protein: 12.7 g