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Perfect for a graduation party or summer cookout, this impressive dessert offers the ease and crowd-friendly factor that we associate with a sheet cake, as well as a delightful twist of creativity and surprising vibrancy with the incorporation of tahini and fresh berries. If you have a jar of the trendy sesame seed paste hanging out in your pantry, trust us—it’s high time to go beyond hummus and welcome it into your dessert life. Tahini lends a delicious toasty quality to the tender cake while fresh blueberries dotted throughout the batter balance this nutty depth with their bright, juicy sweetness. A simple strawberry buttercream ties everything together and makes for a low-effort, eye-catching presentation. 

Recipe by Well Done


Credit: Aaron Kirk; Prop Styling: Kashara Johnson; Food Styling: Pam Lolley

Recipe Summary

20 mins
2 hrs 20 mins
Serves 12 (serving size: 1 piece)




Instructions Checklist
  • Prepare the Cake: Preheat oven to 350°F. Grease and flour a 13- x 9-inch cake pan, and line bottom with parchment paper; lightly grease parchment paper.

  • Whisk together sugar, baking powder, baking soda, salt, cardamom, and 2 1/2 cups of the flour in a large bowl. Whisk together buttermilk, tahini, water, butter, vanilla, and eggs in a medium bowl. Whisk buttermilk mixture into flour mixture until thoroughly combined. Toss blueberries with remaining 1 tablespoon flour; gently fold coated blueberries into batter.

  • Spoon batter into prepared pan. Bake in preheated oven until a wooden pick inserted in center comes out clean, 40 to 45 minutes. Cool in pan on wire rack for 20 minutes. Invert on wire rack and cool completely, about 1 hour.

  • Prepare the Strawberry Buttercream: Beat butter with a heavy-duty stand mixer on medium speed until creamy. Gradually add powdered sugar, vanilla extract, salt, and 2 tablespoons of the milk, beating until blended. Gently fold in chopped strawberries. Stir in remaining 1 tablespoon milk, 1 teaspoon at a time, until desired consistency is reached. Frost cake with Strawberry Buttercream.