Holiday baking ? pomegranate pound cake

Ingredients

• 3/4 cup sugar
• 6 tablespoons butter
• 2 large eggs
• 1 large egg white
• 3/4 cup buttermilk
• grated zest of one lemon
• 2 teaspoons vanilla extract
• 1/2 teaspoon baking soda
• 2 1/2 cups all-purpose flour
• 1/4 teaspoon salt
• 3/4 cup pomegranate seeds (about 1 large)
• cooking spray