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Protein Costco Vanilla Sheet Cake

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A guilt-free twist on the classic Costco vanilla sheet cake, packed with protein and made from healthier ingredients.

Ingredients

Scale
  • 1 cup Greek yogurt or cottage cheese
  • 1 cup vanilla protein powder
  • 1 cup light flour alternative (almond flour, coconut flour, or gluten-free blend)
  • 1/2 cup reduced-fat dairy (skim milk or light butter)
  • 1 teaspoon vanilla extract
  • 2 eggs
  • 1/4 cup natural sweetener (honey or maple syrup)
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. Grease a sheet cake pan or line it with parchment paper.
  3. Mix the light flour alternative and protein powder in a mixing bowl.
  4. Combine the Greek yogurt, eggs, vanilla extract, and sweetener in a separate bowl.
  5. Add the dry ingredients to the wet ingredients and stir gently until just combined.
  6. Pour the batter into the prepared baking dish and smooth the top.
  7. Bake for 25–30 minutes or until a toothpick comes out clean.
  8. Cool the cake in the pan for about 10 minutes before transferring to a wire rack.

Notes

Serve with a dusting of powdered sugar or top with whipped Greek yogurt and fresh berries.

Nutrition

Keywords: protein cake, sheet cake, healthy dessert, low-calorie cake, family recipe

Find it online: https://platefulkitchen.com/protein-costco-vanilla-sheet-cake/