Four-Layer Drip Dog Birthday Cake

Bahan-bahan (20 porsi)

• 2 large eggs (, at room temperature (Note 1))
• 1/2 cup peanut butter ((spread or pure))
• 1/4 cup oil ((canola or vegetable))
• 2/3 cup milk ((or water))
• 1/3 cup honey or maple syrup ((or apple sauce, else skip it))
• 2 1/2 cups carrot, grated ((2 large carrots, peeled))
• 2 cups flour, plain/all-purpose ((or whole wheat / wholemeal flour))
• 2 1/2 tsp baking soda ((sub 6 tsp baking powder))
• 1 kg / 2 lb potatoes (, peeled, cut into chunks)
• 3/4 - 1 cup yoghurt ((plain unsweetened) or water)
• Water or milk as needed ((to adjust consistency))
• Blue food colouring gel (or liquid) ((or other colour of choice, Note 2))
• 1/2 cup cornflour / cornstarch
• 1/4 cup yoghurt ((plain, unsweetened))
• 1 - 2 tbsp milk (, as needed)
• Silver, blue and white balls, candles, birthday sign