Lemon yogurt squares: zesty, creamy bars ready in minutes

Lush lemon and a cloudlike yogurt center come together in an easy traybake that brightens warm days. The bars balance a tender, crumbly crust with a soft, airy lemon-yogurt filling. They slice neatly, dust with powdered sugar, and pair well with coffee or afternoon tea.

Lemon Yogurt Squares: quick summer dessert with citrus zing

Yield: one 8 x 8-inch pan. Prep: about 35 minutes. Bake: 35–40 minutes at 350°F (175°C). These bars are best the first day for a crisp top. Refrigeration softens the crust over time.

Ingredients for the crust, topping and lemon-yogurt filling

• For the crust and topping:

  • ½ cup unsalted butter, room temperature (not too soft)
  • 1/3 cup (65 g) granulated sugar
  • 1 teaspoon vanilla extract
  • 2 large egg yolks
  • 1½ cups (185 g) all-purpose flour
  • 3/4 teaspoon baking powder
  • 1/4 teaspoon salt
  • zest of 1 lemon

• For the filling:

  • 2 large egg whites
  • 1½ cups (340 g) lemon Greek yogurt
  • 1/2 cup (115 g) sour cream
  • 1/2 cup (100 g) granulated sugar
  • 2 teaspoons vanilla extract
  • 3 tablespoons (25 g) all-purpose flour
  • Powdered sugar for dusting

How to make Lemon Yogurt Squares step by step

1. Combine dry elements for the dough

Whisk flour, baking powder and salt in a bowl. Set this dry mix aside while you cream the butter.

2. Make the crust/topping dough

1. Beat the butter, sugar, vanilla and lemon zest until smooth, about 2–3 minutes.
2. Add the egg yolks one at a time, mixing after each addition.
3. Stir in the dry ingredients until the mixture looks sandy.
4. Press briefly by hand to bring into a loose dough. Divide evenly into two portions.
5. Wrap one portion and chill in the fridge. Wrap the other and place in the freezer for about 30 minutes.

3. Prepare the lemon-yogurt filling

1. Beat the egg whites to stiff peaks and set aside.
2. In a separate bowl, mix lemon yogurt, sour cream, sugar and vanilla until smooth.
3. Stir in the flour, then gently fold the whipped egg whites into the yogurt mixture.

4. Assemble and bake

1. Preheat the oven to 350°F (175°C). Line an 8 x 8-inch pan with parchment, leaving an overhang for easy removal.
2. Roll or press the chilled dough from the fridge into a thin square to fit the pan bottom. Repair any cracks by pinching edges together.
3. Pour the lemon-yogurt filling over the crust and smooth the surface.
4. Remove the frozen dough and grate it over the filling using a coarse grater.
5. Bake for 35–40 minutes, until the center sets. The top may puff and crack; it will settle as it cools.
6. Cool fully in the pan, then lift out using the parchment overhang. Dust with powdered sugar and slice.

Practical tips for great texture and flavor

• Butter temperature: soft but not greasy gives the best crumb.
• Chill the dough: one piece in the fridge and one in the freezer makes grating simple.
• Egg whites: fold them gently to keep the filling light and airy.
• If the top browns too fast, tent with foil during baking.
• The bars are brightest in flavor the first day. After refrigeration the crust softens.
• Serve slightly chilled or at room temperature with coffee or tea.

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Dr. Elise Monroe

Health advocate and wellness researcher, Dr. Monroe brings clarity to confusing health trends with science-backed advice. Her mission is to help readers live vibrantly, from the inside out.