Lemon Raspberry Layer Cake

Ingredients

• 2 1/2 cups all-purpose flour
• 2 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup unsalted butter, softened
• 2 cups granulated sugar
• 4 large eggs
• 1 teaspoon vanilla extract
• 1 tablespoon lemon zest
• 1/4 cup fresh lemon juice
• 1 cup buttermilk
• 1 1/2 cups fresh raspberries
• 1/4 cup granulated sugar
• 1 tablespoon cornstarch
• 1 tablespoon fresh lemon juice
• 4 cups powdered sugar
• 2-3 tablespoons heavy cream
• Fresh raspberries
• Lemon slices
• Lemon zest