Barley Flour Berry Breakfast Cake
A tender, lightly sweet breakfast cake made with nutty barley flour and studded with fresh or frozen mixed berries. Honey adds subtle floral notes while buttermilk keeps the crumb moist and tender. This Northern European-inspired cake is perfect for morning coffee or a weekend brunch, with a delicate texture that's less dense than wheat flour cakes.
- Prep
- 15 min
- Cook
- 35 min
- Wait
- 15 min
- Total
- 1 hr 5 min
- Makes
- 1 round cake (8 slices)
Steps
Before you start
- Preheat oven to 350°F (175°C)
- Bring eggs and buttermilk to room temperature (30 minutes)
- Line a 9-inch round cake pan with parchment paper and lightly butter it
Mix dry ingredients
- In a medium bowl, whisk together barley flour, all-purpose flour, baking powder, and salt.
- Set aside.
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Ready when: Mixture is evenly combined with no lumps
Tip: Whisk thoroughly to distribute baking powder evenly and aerate the flours
Cream butter and honey
- In a large bowl, beat softened butter and honey together with a whisk or wooden spoon for 2–3 minutes until light and slightly fluffy.
- The mixture should be pale and airy, incorporating small air bubbles.
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Ready when: Mixture is noticeably lighter in color and texture than the starting butter
Tip: Don't skip the creaming step; it creates a tender crumb by incorporating air. If butter is too cold, let it sit out a few minutes longer
Add eggs and vanilla
- Add room-temperature eggs one at a time to the butter mixture, beating or whisking well after each addition to fully incorporate before adding the next.
- Stir in vanilla extract.
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Ready when: The mixture is smooth, pale, and thick; no visible streaks of egg remain
Tip: Using room-temperature eggs prevents the batter from looking curdled. If it does curdle slightly, add a spoonful of the flour mixture to bring it together
Alternate dry and wet
- Add one-third of the flour mixture to the butter-egg mixture and stir gently with a wooden spoon until just combined.
- Pour in half the buttermilk and stir until the batter is smooth.
- Repeat: add another third of the flour mixture, then the remaining buttermilk, and stir until smooth.
- Finish with the final third of the flour mixture and stir until no visible flour streaks remain.
- Do not overmix.
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Ready when: Batter is smooth, thick, and no dry flour remains visible
Tip: Alternating dry and wet ingredients prevents lumps and creates a finer crumb. Stir gently—overmixing develops gluten and toughens the cake
Fold in berries
- If using fresh berries, gently fold them into the batter.
- If using frozen berries, fold them in directly from the freezer (do not thaw) to prevent them from staining the batter too much and sinking to the bottom.
- Lightly sprinkle lemon zest over the batter and fold it in as well, if using.
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Ready when: Berries are evenly distributed throughout the batter with minimal streaking
Tip: Fold gently with a rubber spatula in a few large strokes rather than stirring; this keeps berries whole and prevents color bleeding
Pour and bakeOven 350°F / 175°C
- Pour the batter into the prepared 9-inch round pan, spreading it level with a spatula.
- Place in a preheated 350°F (175°C) oven and bake for 32–38 minutes until a toothpick inserted in the center comes out with just a few moist crumbs clinging to it (not wet batter).
- The top should be golden brown and spring back when lightly touched.
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Ready when: Toothpick test shows moist crumbs, top is golden brown, cake springs back when pressed
Tip: Start checking at 32 minutes; all ovens vary. Underbaking slightly is better than overbaking with barley flour, which can dry out quickly
Cool in pan and turn out
- Let the cake cool in the pan for 10 minutes.
- Then turn it out onto a wire cooling rack, peel away the parchment paper, and let it cool to room temperature, about 30–40 minutes more.
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Ready when: Cake is cool to the touch and feels stable when moved
Tip: Cooling slightly in the pan prevents the warm cake from breaking apart, but turning it out while still warm prevents it from sticking
Good to know
Tips
- Barley flour is lower in gluten than wheat flour, resulting in a more delicate crumb. Avoid overmixing the batter once you add the flour, and use the toothpick test rather than relying on appearance alone, as the top may not be as dry-looking as a wheat flour cake
- If frozen berries release too much liquid (you'll see it pooling), drain them briefly on paper towels before folding them in to prevent the batter from becoming too wet
- The nutty flavor of barley flour is beautifully complemented by lemon, cardamom, or a touch of almond extract. If you love those flavors, try adding ¼ teaspoon ground cardamom or ¼ teaspoon almond extract to the butter-honey mixture
- Serve with a dollop of Greek yogurt, whipped cream, or crème fraîche and a drizzle of honey to highlight the cake's subtle sweetness and tender crumb
Make ahead
Bake up to 1 day ahead. Store in an airtight container at room temperature, then slice and serve. You can also freeze the whole cooled cake, wrapped well, for up to 3 months; thaw overnight at room temperature before slicing.
Storage & reheating
Room temperature in an airtight container for up to 2 days. Refrigerator in an airtight container for up to 4 days (the cake may firm up slightly, so warm slices gently if desired). Freezer, well wrapped, for up to 3 months; thaw at room temperature before serving.
Substitutions
- barley flour → spelt flour or farro flour. Use the same weight (180 g). Both have a similarly nutty flavor and slightly denser crumb, though spelt may produce a slightly drier cake, so watch the bake time closely
- buttermilk → Greek yogurt mixed with a splash of milk, or milk soured with lemon juice. Use ¾ cup (180 ml) total. For Greek yogurt, thin it with 2 tablespoons milk. For soured milk, mix ¾ cup milk with ½ teaspoon lemon juice and let sit 5 minutes
- honey → maple syrup or light brown sugar. Use ⅓ cup (110 g) maple syrup or ⅓ cup (80 g) packed light brown sugar. Maple syrup will add a different floral note; brown sugar will increase moisture slightly
- mixed fresh or frozen berries (blueberries, raspberries, blackberries) → diced fresh apple, diced fresh pear, or cooked rhubarb. Use 1½ cups (about 210 g). These substitutions change the flavor profile but maintain moisture and texture. Rhubarb works particularly well with barley's nuttiness
