Summer brings berries. Sweet, tart, and full of sunshine. This buckle celebrates them.
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A buckle is a simple cake. Berries sink into the batter. A crumb topping adds crunch.
It is humble. It is delicious. Let the fruit shine.
Why You'll Love This Recipe
About the Ingredients
1 1/2 cups (190g) all-purpose flour
Provides structure. Substitute with gluten-free 1:1 blend if needed.
1 teaspoon baking powder
Leavening agent. Ensure it's fresh for best rise.
1/2 teaspoon salt
Enhances flavor. Use fine sea salt.
1/2 cup (115g) unsalted butter, softened
Adds richness. Use plant-based butter for dairy-free.
3/4 cup (150g) granulated sugar
Sweetens the cake. Coconut sugar works too.
2 large eggs
Bind ingredients. Use flax eggs for vegan option.
1 teaspoon vanilla extract
Adds warmth. Pure extract is best.
1/2 cup (120ml) buttermilk
Keeps cake tender. Mix 1/2 cup milk with 1/2 tbsp lemon juice as sub.
2 cups (300g) mixed summer berries (blueberries, raspberries, chopped strawberries)
The star. Use fresh or frozen (do not thaw).
For the crumb topping: 1/4 cup (50g) sugar, 1/4 cup (30g) flour, 2 tablespoons cold butter, cubed
Creates crunchy top. Add cinnamon if you like.
Tips & Tricks
- If using frozen berries, do not thaw them. Toss with 1 tablespoon flour to prevent sinking.
- Check doneness with a toothpick. It should come out with a few moist crumbs, not wet batter.
- Let the buckle cool in the pan for 10 minutes. This sets the crumb and makes slicing easier.
Pro Tips
Step-by-Step Instructions
1. Preheat and Prep
Preheat oven to 350°F (175°C). Grease an 8-inch square baking pan or line with parchment paper.
2. Whisk Dry Ingredients
In a medium bowl, whisk flour, baking powder, and salt. Set aside.
3. Cream Butter and Sugar
In a large bowl, beat softened butter and sugar until light and fluffy, about 2 minutes. Add eggs one at a time, beating well after each. Stir in vanilla.
4. Alternate Adding Dry and Wet
Add dry ingredients in three additions, alternating with buttermilk, starting and ending with flour. Mix until just combined.
5. Fold in Berries
Gently fold in the berries with a spatula. Be careful not to crush them.
6. Make Crumb Topping
In a small bowl, rub together sugar, flour, and cold butter until crumbly. Sprinkle over batter.
7. Bake the Buckle
Bake for 35-40 minutes, until golden brown and a toothpick inserted in the center comes out clean. The edges will be bubbling.
8. Cool and Serve
Cool in the pan on a wire rack for 10 minutes. Serve warm or at room temperature.
Delicious Variations
Peach and Raspberry
Substitute 1 cup sliced peaches for 1 cup of berries.
Lemon Blueberry
Add 1 tablespoon lemon zest to the batter and use all blueberries.
Cherry Almond
Use 2 cups pitted cherries and add 1/2 teaspoon almond extract.
How to Store Summer Berry Buckle
Refrigerator
Store covered in the refrigerator for up to 3 days.
Freezer
Wrap tightly and freeze for up to 3 months.
Reheating
Reheat in a 350°F (175°C) oven for 5-10 minutes to refresh the crumb.
Frequently Asked Questions
Q: What is a buckle?
A buckle is a single-layer cake with fruit mixed into the batter, topped with a crumb topping. It gets its name from the crinkled, buckled appearance of the topping.
Q: Can I use frozen berries?
Yes, you can. Use them frozen and toss with a little flour to prevent them from sinking and turning the batter blue.
Q: Why did my buckle sink in the middle?
This can happen if the batter is overmixed or the oven is not hot enough. Ensure your baking powder is fresh and bake at the correct temperature.
Q: Can I make this vegan?
Yes, use plant-based butter, flax eggs (1 tbsp ground flax + 3 tbsp water per egg), and non-dairy milk with lemon juice instead of buttermilk.
Try this buckle with whatever fruit you have. Let it be a canvas for your summer. Breathe, then unplug.
Summer Berry Buckle
Summer Berry Buckle: a soft, buttery cake loaded with juicy berries, perfect for warm evenings. Simple to make and endlessly adaptable.
🧂 Ingredients
- 1 1/2 cups (190g) all-purpose flour
- 1 teaspoon baking powder
- 1/2 teaspoon salt
- 1/2 cup (115g) unsalted butter, softened
- 3/4 cup (150g) granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/2 cup (120ml) buttermilk
- 2 cups (300g) mixed summer berries (blueberries, raspberries, chopped strawberries)
- For the crumb topping: 1/4 cup (50g) sugar, 1/4 cup (30g) flour, 2 tablespoons cold butter, cubed
📋 Instructions
- 1Preheat and Prep — Preheat oven to 350°F (175°C). Grease an 8-inch square baking pan or line with parchment paper.
- 2Whisk Dry Ingredients — In a medium bowl, whisk flour, baking powder, and salt. Set aside.
- 3Cream Butter and Sugar — In a large bowl, beat softened butter and sugar until light and fluffy, about 2 minutes. Add eggs one at a time, beating well after each. Stir in vanilla.
- 4Alternate Adding Dry and Wet — Add dry ingredients in three additions, alternating with buttermilk, starting and ending with flour. Mix until just combined.
- 5Fold in Berries — Gently fold in the berries with a spatula. Be careful not to crush them.
- 6Make Crumb Topping — In a small bowl, rub together sugar, flour, and cold butter until crumbly. Sprinkle over batter.
- 7Bake the Buckle — Bake for 35-40 minutes, until golden brown and a toothpick inserted in the center comes out clean. The edges will be bubbling.
- 8Cool and Serve — Cool in the pan on a wire rack for 10 minutes. Serve warm or at room temperature.



