Gingerbread with Nectarines and Cream

INGREDIENTS

• 1/2 cup well-chilled heavy cream
• 1/2 teaspoon salt
• 1/2 cup unsulfured molasses
• 1/2 cup sugar
• 3/4 teaspoon ground ginger
• 2 small ripe nectarines
• 3/4 teaspoon cinnamon
• 1/2 cup vegetable oil
• 1 tablespoon plus 1 teaspoon sugar
• 1/2 cup boiling water
• 1/2 teaspoon baking soda
• 1/4 teaspoon vanilla
• 1 large egg
• 1 cup all-purpose flour