Irresistibly Bright Lemon Poppy Seed Cake - Zest Plate

Ingredients

• 250 g granulated sugar
• 3 tablespoons lemon zest
• 113 g unsalted butter, room temperature
• 4 tablespoons vegetable oil (canola oil preferred)
• 3 large eggs, room temperature
• 2 tablespoons fresh lemon juice
• 1 teaspoon vanilla extract
• 250 g all-purpose flour, spooned and leveled
• 2 teaspoons baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1 heaping tablespoon poppy seeds
• 1/2 cup whole milk, room temperature
• 1/3 cup sour cream, room temperature
• 180 g powdered sugar, sifted
• 4 to 5 tablespoons whole milk or lemon juice
• Splash of vanilla extract (optional)