Chocolate Christmas Tree Cakes

Ingredients

• 3 large eggs, room temp
• 3/4 cup vegetable oil
• Sprinkles, candies for decorating
• 1 cup unsweetened cocoa powder
• 1 tsp salt
• 2 tsp vanilla extract
• Food colouring
• Cooking Spray
• 2 1/2 cups all-purpose flour
• 2 cups sugar
• 1 1/2 tsp baking powder
• 2 cups icing sugar, sifted
• 1/2 cup sour cream
• 1 tsp baking soda