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Featured Recipe

Iced Rhubarb Cake

Iced Rhubarb Cake

By Kate

A rhubarb cake chilled, with altered ingredient amounts to shift tartness and texture. Adjusted baking and cooling times to suit a denser crumb. Sugar reduced, butter fractioned differently. Strawberry swapped for raspberries, cream cheese switched to mascarpone for a richer frost. Lemon zest replaced by orange peel for a bright twist. Layers of soft cake and icy filling meld into a cold dessert that’s both tangy and creamy, suitable for summer gatherings or anytime craving a chilled fruity cake.
Prep: 20 min
Cook: 50 min
Total:
Serves: 8 servings
dessert summer cake fruity chilled
Introduction
Rhubarb tossed with sugar, sits, sweating out juices. Butter beaten to fluff, eggs slurped in one by one. Flour sifted, a dusting of leavening and salt mixed in. Tangy, bright orange peel swapped the usual lemon twist. Raspberries hatch in the frosting, nestled in mascarpone’s rich embrace, whipped cream folds gently over. Cake bakes denser, resting cool, sliced through the middle to flood with creamy cold frosting. Each bite tart and soft, cold cream meets fruity bite. Days hot outside, cake in fridge waiting. Cut thick, fork plunged into layers cold, sweet, tart, creamy. No nuts to crinkle teeth. Something cold, lush, biting back sweet.

Ingredients

  • 400g rhubarb stalks cut into 2cm pieces
  • 100g granulated sugar
  • 250g all-purpose flour
  • 1 teaspoon baking powder
  • 120g unsalted butter softened
  • 3 large eggs
  • 150g caster sugar
  • 100g raspberries fresh or frozen
  • 125g mascarpone cheese
  • 150ml heavy cream
  • Zest of 1 orange
  • 1 teaspoon vanilla extract
  • Pinch of salt
  • About the ingredients

    Rhubarb’s natural sharpness tamed slightly by reducing sugar from usual amounts. Raspberries replace strawberries, adding a subtle earthier tang and a slightly different texture in frosting. Mascarpone richer, thicker than cream cheese, lends silkiness to frosting that pairs well with whipped cream’s lightness. Butter softened, not melted, to maintain airy batter, baking at slightly lower temp for a longer but gentler rise. Orange zest used in place of lemon adds complexity, citrusy but softer acidity. Salt balances sweetness just right, key element often overlooked in cakes. Fresh or frozen raspberries ok, just thaw gently and drain excess moisture to avoid frosting runniness.

    Method

  • Preheat oven to 170°C (338°F). Grease and flour an 8-inch cake pan.
  • Toss rhubarb pieces with 50g sugar. Let sit 10 minutes to draw juices.
  • Whisk butter with 100g sugar until fluffy.
  • Add eggs one at a time, beating after each addition.
  • Sift flour, baking powder, salt into the mixture gradually. Fold gently.
  • Stir in orange zest and vanilla extract.
  • Drain rhubarb juices mostly, fold rhubarb into the batter carefully.
  • Pour batter into prepared pan.
  • Bake 45-50 minutes. Cake should spring back lightly when pressed.
  • Cool completely in pan on wire rack.
  • Whip heavy cream until soft peaks form.
  • Gently blend mascarpone with remaining 50g sugar until creamy.
  • Fold whipped cream into mascarpone mixture.
  • Fold raspberries carefully into frosting mixture to avoid breaking them.
  • Once cake is fully cooled, slice horizontally into two layers.
  • Spread half of frosting on bottom layer, stack second layer on top.
  • Cover cake fully with remaining frosting.
  • Chill in refrigerator at least 1 hour before serving to let flavors meld and cake set.
  • Serve cold, store leftovers under refrigeration.
  • Technique Tips

    Sweetness split—half sugar tossed with rhubarb, half creamed with butter then mixed into batter. Careful folding rhubarb in to keep bits intact, avoid soggy cake. Raspberries fresh/frozen folded last into frosting, mixed gently to retain shape. Baking time adjusted to 50 minutes at slightly reduced heat, check doneness by spring back, not toothpick—avoids dry crumb. Cake fully cooled before slicing horizontally—warm cake tears. Frosting whipped softly, blending mascarpone and cream, careful to avoid deflating peaks. Chill cake minimum hour to set layers, meld flavors. Serve chilled, fork slices from fridge, freshness in cold bites. Store covered, cold; lasts 2 days best.

    Chef's Notes

    • 💡 Use fresh rhubarb if available. Tartness varies with ripeness. Cut into even pieces for uniform cooking. Drain juices well, avoid cake sogginess.
    • 💡 Butter should be soft, not melted. Cream well with sugar. Don’t rush this step, it’s crucial for texture. Incorporate eggs one by one slowly, this ensures fluff.
    • 💡 When folding in flour, use a gentle motion. Too much mixing makes cake dense. Overmixing leads to tough texture. Keep rhubarb intact. Fold carefully.
    • 💡 Chill after frosting. Let flavors meld. Ideal for texture. Don’t skip cooling, it sets the layers. A thick layer of frosting makes better presentation too.
    • 💡 To prevent soggy frosting, drain raspberries well. Mix them in last. Keep them whole; they add texture. Frosting should be light yet creamy, a delicate balance.

    Kitchen Wisdom

    How do I cut rhubarb correctly?

    Cut into 2 cm pieces. Uniform size ensures even baking. Don’t forget to toss with sugar for more flavor.

    Can I use frozen raspberries instead?

    Yes. Just thaw gently first. Drain excess moisture. Want the frosting to hold shape. Avoid watery frosting.

    What if the cake doesn’t rise well?

    Usually due to old baking powder. Ensure it’s fresh. Or overmixing, that can make batter dense. Careful next time.

    How should I store leftovers?

    Keep in the fridge. Cover properly, it lasts 2-3 days. No exposure to air, helps maintain texture and flavor.

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