Toni Tipton-Martin's Gingerbread

Ingredients

• ½ cup sugar
• 1 tablespoon cornstarch
• 1 cup boiling water
• 2-3 tablespoons room-temperature butter
• cubed
• Grated zest and juice of 1 lemon
• ½ teaspoon vanilla extract
• Pinch of salt
• 1 cup heavy whipping cream
• 2 teaspoons powdered sugar
• 2 teaspoons bourbon
• Butter or shortening for pan
• 2½ cups flour
• plus extra for pan
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• ½ teaspoon salt
• 2 teaspoons ground ginger
• 1 teaspoon ground cinnamon
• ½ teaspoon ground cloves
• 1 cup molasses
• 1 cup boiling-hot coffee
• ½ cup butter, melted
• ½ cup dark brown sugar
• 2 eggs
• beaten
• Lemon sauce and bourbon chantilly cream for serving