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Fresh Strawberry Sheet Cake

The sheet cake is my go-to dessert for a potluck or picnic since you can make it up to one day ahead and serve it straight out of the fridge
Course Dessert
Cuisine American
Prep Time 10 minutes
Cook Time 22 minutes
Total Time 32 minutes
Servings 12
Calories 349kcal
Author Amy Palanjian

Ingredients

Cake

  • 1 1/2 cup all-purpose flour
  • 1 cup oat flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter (1 stick, melted and slightly cooled)
  • ½ cup plain whole milk yogurt
  • 1 cup diced strawberries
  • 3/4 cup honey or maple syrup
  • 4 eggs (lightly beaten)
  • 1 teaspoon vanilla extract

Frosting

  • 8- ounce package cream cheese
  • 4 tablespoons butter (softened at room temperature)
  • 1 teaspoon vanilla extract
  • 1/2 cup seedless strawberry jam
  • 1 tablespoon fresh lemon juice
  • ½ cup powdered sugar optional
  • Fresh strawberries optional
US Customary - Metric

Instructions

  • Preheat the oven to 350 degrees F. Grease a 9x13-inch baking pan.
  • In a medium bowl, whisk together the flour, oat flour, baking powder, and salt.
  • Lightly beat the eggs.
  • Add the eggs and the rest of the ingredients to the flour mixture. Stir gently with a spatula to combine.
  • Add the batter to the prepared cake pan.
  • Bake until a toothpick inserted in the center of the cake comes out clean, and the edges are lightly golden brown and the center is set, about 22-24 minutes. Let cool fully on a wire rack.
  • Strawberry Frosting: Add all ingredients to a medium bowl. Use a hand held electric mixer to beat until very smooth, starting on a low speed and working up to high.
  • Spread Strawberry Frosting over cooled cake and slice. Top with fresh berries if desired to serve.

Notes

  • Store frosted cake fully covered in the fridge for up to 24 hours before serving. Let sit at room temperature for about 30 minutes before serving. Store any leftovers in an airtight container in the fridge for up to 3 days.
  • Choose a strawberry jam that’s relatively smooth or try not to use large pieces of berries to ensure that the frosting is smooth.
  • Use additional all purpose flour in place of the oat flour if desired.
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Nutrition

Serving: 1slice | Calories: 349kcal | Carbohydrates: 47g | Protein: 5g | Fat: 16g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 1g | Cholesterol: 98mg | Sodium: 205mg | Potassium: 131mg | Fiber: 1g | Sugar: 31g | Vitamin A: 589IU | Vitamin C: 9mg | Calcium: 75mg | Iron: 1mg