Lemon Blueberry Cake with Cream Cheese Frosting

Ingredients

• 1 lemon
• 1 teaspoon vanilla extract
• 16 oz cream cheese, softened
• 4 eggs-room temperature
• 4 oz unsalted butter, room temperature
• 2 cups granulated sugar
• 1 teaspoon baking powder
• 2 cups powdered sugar
• 2 ½ all-purpose flour
• 1 cup buttermilk-room temperature
• Lemon and blueberries for garnish
• ½ teaspoon baking soda
• 1 cup blueberry
• 1 cup unsalted butter-softened to room temperature