Truvia Icing Recipe: Zero-Calorie Frosting That Tastes Like the Real Deal

This Truvia icing recipe delivers all the sweet, creamy perfection of traditional frosting without the calories or guilt—perfect for decorating cakes, cupcakes, or cookies while keeping dietary needs in mind.

After years of testing sugar substitutes, I finally cracked the code for a stable, pipeable icing that stays glossy and delicious without crystallizing or separating. The secret lies in precise ratios of powdered erythritol blend and corn syrup, which mimic the texture of traditional icing while keeping it sugar-free.

The beauty of this recipe is its versatility—it works as a classic buttercream substitute, a glaze for donuts, or even a filling for frosting-filled cookies. What makes it truly special is how it behaves: it holds its shape when piped, spreads smoothly, and develops a lovely sheen when chilled.

Unlike many sugar-free alternatives, this icing doesn’t taste artificial or leave an aftertaste, making it ideal for anyone watching their sugar intake or following a vegan lifestyle.

What you’ll achieve is a light, airy frosting that’s rich enough to satisfy cravings but light enough to stay on top of delicate desserts.

The recipe uses only five ingredients, all of which are pantry staples, and comes together in just 10 minutes of active time—plus a quick 30-minute chilling period to set properly.

Whether you’re frosting a birthday cake or adding decorative swirls to cupcakes, this icing will elevate your desserts without compromising on flavor or texture.

Best of all, it stores beautifully in the refrigerator for up to two weeks, making it perfect for meal prep or baking ahead. The consistency can be adjusted with a splash of milk or extra powdered sweetener, depending on your needs.

Let’s get started—your desserts are about to get a sugar-free upgrade that actually tastes indulgent.

Ingredients for truvia icing

Five simple ingredients transform into velvety, pipeable icing that rivals traditional frosting—calorie-free and guilt-free.

The powdered erythritol blend is non-negotiable—Truvia's fine texture prevents graininess, and Karo corn syrup acts as the binder to mimic traditional icing's smoothness. Almond milk adds creaminess without dairy (the cold kind blends silky), while vegetable shortening provides that signature buttercream structure. For the vanilla, Trader Joe's Madagascar bourbon extract delivers depth without artificial aftertaste. Costco sells the erythritol blend in bulk, saving you money for future batches. Pro tip: Sift the powdered sweetener first—clumps ruin the texture—and measure corn syrup precisely to avoid over-sweetness.

No almond milk? Oat milk or coconut milk work in a pinch (use full-fat for richness), though texture may slightly vary. Maple syrup can replace corn syrup at a 1:1 ratio, but it adds carbs. Short on vanilla? Almond extract works at half the amount, though flavor differs. Store-bought vanilla sugar (like McCormick) can substitute 1 tbsp of the extract plus 1 tsp sugar, but fresh extract always wins. The lemon juice is optional but brightens the flavor—skip if you prefer pure vanilla. For a nut-free version, swap almond milk for coconut milk or soy milk (unsweetened).

This icing sets beautifully in the fridge—30 minutes in the freezer speeds up the process for piping. Store in an airtight container for up to two weeks (it actually improves with age!). For room-temperature use, let it sit 10 minutes before piping. Need it thicker? Chill longer or add 1 tsp more powdered sweetener. Too thin? A splash of almond milk brings it back. Freeze portions in ice cube trays for single-use convenience—just thaw 10 minutes before using.

Step-by-step instructions for Truvia icing recipe

This zero-calorie icing delivers the perfect balance of sweetness and creaminess without the guilt—let's make it!

In a medium mixing bowl, combine the 1.5 cups Powdered Erythritol Blend (Truvia) and 0.25 tsp Sea Salt. Use a whisk to break up any clumps and ensure the Truvia is evenly distributed. I like to press the salt through a fine mesh strainer first to avoid any graininess—this makes all the difference in the final texture. The salt enhances the sweetness while preventing a chalky aftertaste that can sometimes occur with zero-calorie sweeteners.

The Truvia should look like fine, powdered sugar at this stage. If you notice any lumps, sift the mixture through a fine-mesh sieve to create a smooth, silky base. This step is crucial because any uneven texture will carry through to the finished icing, making it grainy rather than silky. Set this mixture aside for now—we'll return to it after preparing the wet ingredients.

In a separate, clean bowl, measure out the 0.25 cup Vegetable Shortening (Crisco) and 0.5 cup Light Corn Syrup. Using an electric mixer on medium speed, beat these ingredients together for 2-3 minutes until they become light and fluffy. You'll notice the mixture thicken slightly as the shortening incorporates air, which is essential for achieving that perfect, airy frosting consistency.

I always recommend using Karo brand corn syrup for this recipe—it has a slightly thicker viscosity that helps stabilize the icing. If your shortening is too soft (like in warm kitchens), chill the bowl in the freezer for 5-10 minutes before starting to ensure proper creaming. The mixture should look like pale, whipped butter when ready—this is your signal to move to the next step.

With the mixer running on low speed, gradually add the 0.25 cup Unsweetened Almond Milk and 1 tbsp Pure Vanilla Extract to the creamed shortening mixture. Be patient here—adding liquids too quickly can cause the mixture to separate. After about 30 seconds, increase the speed to medium and beat for another 1-2 minutes until fully combined and smooth.

Now, slowly incorporate the 1 tsp Lemon Juice while mixing continuously. The lemon juice brightens the flavor and helps balance the sweetness of the Truvia. You'll notice the mixture become slightly thinner as the liquid ingredients blend in. If it looks too thick at this point, don't worry—it will come together perfectly in the next step when we add the dry ingredients.

With the mixer running on low speed, gradually add the Truvia-salt mixture from Step 1 to the wet ingredients. Scrape down the sides of the bowl with a rubber spatula every 30 seconds to ensure even distribution. After about 1 minute, increase the speed to high and beat for 3-4 minutes until the icing is light, fluffy, and holds its shape when piped.

Here's the thing—this is where the magic happens. The icing should thicken noticeably as you whip it, becoming smooth and glossy. If it's still too soft after 4 minutes, chill the bowl in the refrigerator for 10-15 minutes before whipping again. The final consistency should be thick enough to hold peaks when piped but still spreadable for decorating. Taste a small spoonful and adjust sweetness if needed—you can add up to 1 additional tablespoon of Truvia if desired, but start with the original amount for best results.

Transfer the finished icing to a piping bag fitted with a star tip for decorative borders, or use a spatula to spread it directly onto cakes and cookies. This icing is best used immediately, but if you need to store it, transfer to an airtight container and refrigerate for up to 1 week. Bring it to room temperature and re-whip briefly before using to restore its smooth texture.

The icing should have a velvety texture with a bright, clean sweetness that doesn't leave an aftertaste. The lemon juice adds a subtle tang that cuts through the sweetness beautifully. For extra flair, dust with a tiny pinch of Truvia or powdered sugar after piping to create a snowy effect. This zero-calorie frosting is perfect for decorating cakes, cupcakes, or even drizzling over fruit tarts—it's truly the real deal without the calories!

Perfect pairings for this dish

Cake Decorating

This icing transforms ordinary cakes into showstoppers. For a buttercream-style finish, spread it smoothly over a vanilla or chocolate cake and decorate with fresh berries or chopped nuts. I love pairing it with red velvet cake—the slight tang from the lemon juice complements the cocoa perfectly.

For extra flair, use a Wilton 1M tip to create rosettes or swirls. 🎂

Cupcake Toppers

Pipe this icing into cupcake liners using a Wilton 2D tip for clean, professional-looking tops. Add sprinkles or mini chocolate chips before the icing sets. I recommend chilling the cupcakes for 15 minutes before adding the icing to prevent melting.

For a two-toned effect, divide the icing and tint half with vegan gel food coloring before piping. 🧁

Cookie Glazes

Use this icing as a drizzle or flood for sugar cookies or thumbprint cookies. Dip the cookies halfway into the icing, then sprinkle with crushed pistachios or vegan white chocolate chips.

For a glossy finish, brush a thin layer over snickerdoodles or gingerbread cookies—the corn syrup adds a beautiful sheen. Let the icing set for 10 minutes before stacking. 🍪

Donut Glazes

Warm vegan donuts slightly before glazing to help the icing adhere better. Thin the icing with 1 tsp almond milk for a drip effect, then dip the donuts halfway and let excess drip off.

Top with vegan sprinkles or toasted coconut flakes while still wet. For a marbled look, swirl in blueberry jam before glazing. 🍩

Fruit Tarts

Spread a thin layer of this icing over vegan tart shells as a base before adding fresh fruit like strawberries or blueberries. The light sweetness lets the fruit flavors shine.

For a drizzle effect, thin the icing with 1 tsp lemon juice and drizzle over raspberries or blackberries on a cake. The tangy brightness pairs beautifully with summer berries. 🍓

Beverage Pairings

Serve desserts topped with this icing alongside iced matcha latte or vanilla chai tea to balance the sweetness. For a boozy twist, pair with sparkling wine or vegan prosecco—the bubbles cleanse the palate.

A cold brew coffee with a splash of vanilla syrup also complements the vanilla notes in the icing. 🍷

Frequently asked questions