Copycat Starbucks Lemon Loaf

For the lemon loaf:

• ½ cup unsalted butter, softened
• 1 cup granulated white sugar
• 2 large eggs, room temperature
• 1 teaspoon lemon zest
• 1 tsp vanilla extract
• 1 ¾ cup all purpose white flour
• ½ teaspoon salt
• ¼ teaspoon baking soda
• ½ cup sour cream or plain Greek yogurt

For the Glaze/Icing:

• ¾ cup powdered sugar
• ½ teaspoon lemon zest
• 1 Tablespoon lemon juice