Low Fat Lemon Meringue Pie Recipe: Zesty Citrus With Cloud-Like Topping

This lightened version delivers all the bright, tangy lemon flavor with a whisper of sweetness, proving dessert can be both decadent and mindful. The meringue achieves its signature airy height without excess fat, staying stable and golden.

With a few smart substitutions and precise baking, you’ll get that perfect balance of zesty filling and cloud-like topping. Every slice offers that classic citrus punch with a fraction of the guilt.

Ingredients for Low Fat Lemon Meringue Pie

Bright citrus, airy meringue, and a lighter crust make this pie irresistibly fresh.

The lemons are non-negotiable—Meyer lemons if you can find them (sweeter, less acidic). I grab mine at Whole Foods or Trader Joe’s when they’re in season (winter to early spring). For the crust, look for low-fat graham cracker crusts in the baking aisle. The cornstarch is your thickener here, so make sure it’s fresh (old cornstarch loses its power). Room temperature egg whites whip up better, so pull them out 30 minutes before starting.

No fresh lemons? Bottled lemon juice at half the amount (it’s more concentrated), but skip the zest. For a vegan twist, aquafaba (chickpea brine) can replace egg whites—use 3/4 cup for 5 whites. Out of cornstarch? Arrowroot powder works 1:1. Want extra zing? Add a pinch of citric acid to the filling. The butter is optional but adds that classic richness—use light butter if watching fat.

The pie keeps 3-4 days in the fridge (cover tightly). Meringue weeps a bit over time—totally normal. Best served chilled the same day, though. Leftovers? Freeze without meringue for up to 2 months (add fresh meringue when serving).

Step-by-Step Instructions for Low Fat Lemon Meringue Pie

Here’s my tested method for nailing the perfect balance of tangy filling and fluffy meringue.

Step 1: Create the Lemon Filling Base

In a medium saucepan, whisk together 1.5 cups Granulated Sugar, 0.33 cup Cornstarch, and 0.25 tsp Salt. This dry mix prevents lumps when you add the liquids. Gradually whisk in 1.5 cups Water, 0.75 cup Fresh Lemon Juice, and 2 tbsp Lemon Zest until smooth.

Place the pan over medium heat and cook, stirring constantly with a wooden spoon, until the mixture thickens—about 8-10 minutes. You’ll know it’s ready when it reaches a pudding-like consistency that coats the back of your spoon. I add 1 tbsp Unsalted Butter last for a silky finish.

Step 2: Pour and Set the Filling

Once thickened, remove from heat and let it cool for 5 minutes, stirring occasionally to prevent a skin from forming. Pour the warm filling into the Pre-Baked Pie Crust, spreading it evenly with a spatula. The filling should be glossy and slightly jiggly—it’ll set completely as it cools.

Press plastic wrap directly onto the surface to prevent skin formation, then refrigerate for at least 2 hours. This chilling time is crucial for the filling to firm up enough to support the meringue.

Step 3: Whip the Meringue to Stiff Peaks

In a clean, grease-free bowl, combine 5 whole Large Egg Whites, 0.5 tsp Cream of Tartar, and the remaining portion of Granulated Sugar. I use about ¼ cup from the original amount for the meringue. Beat with an electric mixer on medium-high speed until soft peaks form.

Gradually increase speed to high and continue beating until you get stiff, glossy peaks—about 5-7 minutes. Add 1 tsp Vanilla Extract during the last minute of beating. The meringue should hold its shape when you lift the beaters.

Step 4: Top and Brown the Pie

Preheat your oven to 350°F. Remove the plastic wrap from the chilled pie and spread the meringue over the filling, making sure to seal it to the crust edges. This prevents shrinking. Create decorative peaks with the back of a spoon.

Bake for 12-15 minutes until the meringue is golden brown. Watch closely during the last few minutes to prevent over-browning. Let cool completely before slicing—this takes about 1 hour at room temperature.

Flavor Customization for low fat lemon meringue pie

Tangier Lemon Filling

Boost the citrus punch by adding 1 extra tbsp of lemon zest to the filling. I also love stirring in 1 tsp of lemon extract for an intense flavor without extra liquid. This works especially well with Meyer lemons when in season.

Lighter Meringue Twist

Reduce sugar in the meringue by up to 2 tbsp without sacrificing stability. Add ½ tsp of vanilla bean paste instead of extract for visible flecks and richer flavor. The meringue stays just as fluffy with these adjustments.

Crust Variations

Swap the traditional crust for a gingersnap cookie crust to complement the lemon’s brightness. Simply pulse 1.5 cups gingersnap cookies with ¼ cup melted light butter and press into the pan. Bake at 350°F for 8 minutes before filling. 💛

Herbal Infusion

Add 1 tbsp finely chopped fresh thyme or rosemary to the filling while cooking. The herbal notes pair beautifully with lemon. I discovered this trick at a farm-to-table restaurant in Napa—it’s become my secret weapon.

Creamy Filling Option

For a richer texture without much fat, whisk ¼ cup non-fat Greek yogurt into the cooled filling before pouring it into the crust. This adds protein and a velvety mouthfeel while keeping the dish light.

Citrus Garnish

Top the finished pie with thin lemon slices that have been blanched in boiling water for 1 minute to remove bitterness. Arrange them in a circular pattern for an elegant presentation that hints at the zesty flavor within. ✨

Frequently Asked Questions