Good-Cooking - Chocolate Praline Upside-Down Cake

Ingredients

• 1 cup firmly packed brown sugar
• 1/2 cup butter
• 1/4 cup whipping cream
• 3/4 cup finely chopped pecans
• 2 1/4 cups cake flour
• 2 cups granulated sugar
• 3/4 cup sour cream
• 1/4 cup shortening
• 1 cup water
• 1 1/4 teaspoons baking soda
• 1 teaspoon salt
• 1 teaspoon vanilla extract
• 1/2 teaspoon baking powder
• 2 eggs
• 4 ounces unsweetened baking chocolate, melted and cooled
• Pecan halves
• 1 cup whipping cream
• 2 tablespoons confectioners' sugar
• 1/2 teaspoon vanilla extract