Cranberry Lemon Bars Recipe — Tangy Citrus Dessert Bars

These Cranberry Lemon Bars are tart, sweet, and irresistible. A simple oatmeal crumble forms both the crust and the topping, while a bright, jammy cranberry-lemon filling provides a fresh burst of flavor. They work equally well for breakfast, a snack, or dessert.

The bars have a tender, crumbly oatmeal brown sugar base and topping that sandwich a slightly tart, lemon-kissed cranberry filling. The texture is soft and crumbly, and the flavor highlights fresh cranberries and bright lemon zest.

These cranberry lemon bars are similar in format to store-bought cereal bars but far more flavorful. The same crumble mixture can also be used to make other fruit bars—I adapted it for cherry pie bars with great results.

Why this recipe works

• The crust and topping use the same easy crumble mix, saving time and effort.
• No chilling or prebaking is required—the bars bake straight from assembly.
• Cranberries and lemon pair for a bright, tart flavor that feels festive and perfect for holiday gatherings.
• The cranberry filling becomes luscious and jammy while the crumble stays tender and slightly crisp.
• Simple and quick to make with no mixer needed.
• Versatile for breakfast, brunch, snacks, or dessert throughout the holidays.

Ingredients

Notes on key ingredients:

• Cranberries: Use fresh or frozen cranberries for the sauce. Both give a bright, tart flavor that balances the sweet crumble.
• Lemon: Both zest and juice are used to add a fresh, citrus lift to the cranberry filling.
• Butter: Use unsalted butter at room temperature for the crumble.
• Brown sugar: Light brown sugar adds moisture and a slight caramel note to the crust and topping.
• Granulated sugar: Sweetens the cranberry sauce while letting the fruit flavor shine.
• Cornstarch: Thickens the cranberry sauce to a jammy consistency.
• Cinnamon: A small amount adds warmth and depth to the filling.

See the recipe card below for complete measurements.

Substitutions & variations

• Use store-bought cranberry sauce: About 3/4 cup can replace the homemade sauce for a quicker version.
• Try a different jam: If you don’t have cranberry sauce, a tart jam or preserves will work.
• Icing: A light lemon glaze or a dusting of powdered sugar brightens the finished bars.
• Nuts: Add 1/4 cup chopped nuts to the crumble for crunch, such as walnuts or pecans.

Instructions

Overview: make the cranberry sauce, prepare the crumble, assemble, and bake.

Step 1: Make the cranberry sauce. In a saucepan combine water, lemon juice, a cinnamon stick, and granulated sugar. Bring to a boil, then lower to a simmer and stir until the sugar dissolves.

Step 2: Add cranberries and cornstarch. Stir in the cranberries and cornstarch, then simmer 5–8 minutes, stirring frequently, until the sauce thickens and most berries have burst.

Step 3: Add zest and cool. Remove the pan from the heat, stir in lemon zest, discard the cinnamon stick, and set the sauce aside to cool slightly.

Step 4: Combine dry ingredients. In a large bowl stir together the flour, oats, brown sugar, salt, baking powder, and cinnamon until evenly mixed.

Step 5: Cut in butter. Add cubed butter and work it into the dry mix with a spatula, wooden spoon, or your fingers until it resembles coarse crumbs.

Step 6: Form the crust. Preheat the oven to 350°F. Press half the crumble mixture into an 8×8-inch pan lined with parchment paper, leaving an overhang for easy removal.

Step 7: Add the cranberry layer. Spread the cooled cranberry sauce evenly over the pressed crust.

Step 8: Top with remaining crumble. Sprinkle the remaining mixture over the cranberry layer and press very lightly so the topping adheres.

Step 9: Bake and cool. Bake at 350°F for 30–35 minutes, until the top is golden. Transfer the pan to a wire rack and cool completely for at least 4 hours or overnight before slicing into squares.

Recipe FAQs

If you try this recipe, please leave a star rating and share how you liked it in the comments below.

Cranberry Lemon Bars

Natalie

Soft, flavorful cranberry lemon bars made with a simple oatmeal crumble and a fresh-tasting cranberry sauce. Quick and easy—no mixer required.

5 from 14 votes

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Prep Time 25 mins

Cook Time 30 mins

Course Dessert

Cuisine American

Servings 16 people

Calories 187 kcal

Equipment

• 8 inch square pan
• Mixing bowls
• Measuring cups and spoons
• Parchment paper
• Oven mitts

Ingredients

Cranberry Sauce

• 2/3 cup (133 g) granulated sugar
• 1/3 cup (79 ml) water
• 1 cinnamon stick
• 2 cups (200 g) cranberries
• 2 tablespoons cornstarch
• 2½ tablespoons lemon juice
• 3 teaspoons lemon zest

Crust and Topping

• 3/4 cup (90 g) all-purpose flour
• 1 1/3 cups (108 g) old-fashioned or quick oats (not instant)
• 1/2 teaspoon cinnamon
• 1/4 teaspoon ground ginger (optional)
• 1/4 teaspoon salt
• 1/2 teaspoon baking powder
• 2/3 cup (146 g) light brown sugar, packed
• 10 tablespoons (140 g) unsalted butter, room temperature, cut into pieces

Instructions

Cranberry Sauce

• Place the water, lemon juice, cinnamon stick, and sugar in a medium saucepan over medium heat. Bring to a boil, then reduce to a simmer and stir until the sugar dissolves.
• Add cranberries and cornstarch, simmer 5–7 minutes, stirring constantly, until thickened and most cranberries have burst. Remove from heat.
• Stir in lemon zest, remove the cinnamon stick, and set aside to cool slightly.

Crust and Topping

• Preheat oven to 350°F. Butter an 8-inch square pan and line it with parchment, leaving an overhang.
• In a large bowl, stir together flour, oats, brown sugar, salt, and baking powder.
• Add cubed butter and mix with a spatula or your hands until coarse crumbs form.
• Press half the mixture into the prepared pan to form the crust.
• Spread the cranberry sauce over the crust, then sprinkle the remaining crumble on top and press lightly.
• Bake 30–35 minutes until golden brown. Cool completely on a wire rack (at least 4 hours or overnight) before cutting into squares.
• Serve and enjoy.

Notes

Icing: A lemon glaze or powdered sugar makes a nice finishing touch.

Storage: Store in an airtight container at room temperature up to 4 days, refrigerate 5–6 days, or freeze for up to 2 months. Thaw in the refrigerator or at room temperature.

Nutritional information: Values are estimates and provided for guidance only.

Nutrition

Serving: 1bar
Calories: 187kcal
Carbohydrates: 29g
Protein: 2g

Nutritional values were calculated by an online tool and should be considered estimates.

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