Smetannik (Russian Cake with Sour Cream Frosting)

INGREDIENTS

• • 1 teaspoon baking soda
• • 1 teaspoon pure vanilla extract
• • ½ cup honey
• • 3 cups all purpose flour
• • 1 ½ cups finely grinned toasted walnuts
• • 2 tablespoons of good dark rum or (even better) 1½ teaspoons pure rum extract.
• • ¼ teaspoon salt
• • zest of 1 large lemon
• • 1 cup superfine sugar
• • 2 extra large eggs room temperature
• • ½ cup butter (1 stick room temperature)
• • ½ cup granulated sugar
• • 4 cups sour cream (drained over night in a strainer lined with Cheese cloth)