Cinnamon Coffee Crumble Cake
INGREDIENTS
• 1 Cup Sour Cream• 1/2 Cup plain yoghurt• 1 1/2 teaspoon bicarbonate of soda• 3 cups plain flour• 2 teaspoons baking powder• 1 1/2 teaspoons salt• 3 large eggs• 1 1/4 cups castor sugar• 250g butter• 1 tablespoon strong coffee cooled.• 2 teaspoons vanilla essence• Cinnamon Crumble• 1/2 cup brown sugar• 1/2 cup walnuts - chopped fine• 1 tablespoon cocoa powder• 3 teaspoons ground cinnamon• 2 teaspoons instant coffee granules• 1/2 cup currants (optional)
