Coffee Chiffon Cake - Get Cracking

Ingredients

• 50 ml 1/4 cup instant coffee granules
• 50 ml 1/4 cup boiling water
• 550 ml 2 1/4 cups cake and pastry flour
• 375 ml 1 1/4 cups granulated sugar
• 15 ml 1 tbsp baking powder
• 5 ml 1 tsp salt
• 125 ml 1/4 cup cold water
• 125 ml 1/4 cup vegetable oil
• 5 egg yolks
• 250 ml 1 cup egg whites (about 8 large)
• 2 ml 1/2 cream of tartar
• 15 ml 1 tbsp instant coffee granules
• 15 ml 1 tbsp hot water
• 375 ml 1 1/2 cups icing sugar
• 5 ml 1 tsp vanilla extract
• 15 ml 1 tbsp water, can add up to 1 tbsp (15mL) more if needed