Old-Fashioned Prune Cake - California Prunes

Ingredients

• 1 cup California Prunes (minced (28-30 prunes))
• 2 cups boiling water
• 1 cup neutral baking oil or olive oil
• 1 1/2 cups sugar
• 1 TBSP vanilla extract
• 3 eggs
• 2 cups all-purpose flour (2 cups (250g) gluten-free flour + 2 tsp xanthan gum)
• 1 tsp baking soda (bicarb)
• 1 tsp cinnamon
• 1 tsp nutmeg
• 1/2 tsp cardamom
• 1 tsp coarse kosher salt
• 1 cup buttermilk
• 1 cup walnuts (roughly chopped)
• 1/4 cup melted butter
• 1 cup sugar
• 1/2 cup buttermilk
• 2 tsp molasses
• 1 tsp vanilla extract
• 1 pinch coarse kosher salt