Hummingbird Cake

INGREDIENTS

• 1 teaspoon salt
• 1 tablespoon vanilla extract
• 2 sticks (1 cup) butter, softened
• Nonstick baking spray
• 3 cups all-purpose flour
• Frosting, recipe follows
• 1 teaspoon pure vanilla extract
• 2 cups confectioners' sugar
• Optional garnishes: sweetened flaked coconut, chopped macadamia nuts
• 1 tablespoon lemon juice
• 2 cups granulated sugar
• 1/3 cup buttermilk
• 1 teaspoon baking soda
• One 8-ounce can crushed pineapple
• Two 8-ounce packages cream cheese, softened
• 1 1/2 cups mashed ripe banana (about 4 medium)
• 1 teaspoon ground cinnamon
• 4 large eggs