Cinnamon-Brown Sugar Pop-Tart® Cake
Prep Time: 20 min
Cook Time: 45 min
Ingredients
- ✓ cooking spray
- ✓ 6 cinnamon-brown sugar toaster pastries (such as Pop-Tarts®)
- ✓ 5 tablespoons unsalted butter, melted
- ✓ ¾ cup brown sugar, divided
- ✓ 1 tablespoon all-purpose flour
- ✓ 4 teaspoons ground cinnamon, divided
- ✓ 1 teaspoon milk
- ✓ ½ cup unsalted butter, softened
- ✓ ½ cup white sugar
- ✓ 1 egg, separated
- ✓ 1 ½ teaspoons vanilla extract
- ✓ 1 cup all-purpose flour
- ✓ 1 ½ teaspoons baking powder
- ✓ ½ teaspoon salt
- ✓ ¾ cup milk
- ✓ 1 ½ teaspoons white vinegar
- ✓ 1 cup cream cheese frosting, or to taste