Lincoln Log Cake - Clabber Girl

Ingredients

• 1/2 C. all-purpose flour
• 1 tsp. Clabber Girl® Baking Powder
• 1/4 C. cocoa powder
• 1/4 tsp. salt
• 4 egg yolks (reserve whites)
• 1/2 tsp. Spice Islands® Pure Vanilla Extract
• Filling:
• 1 – 8 oz. package cream cheese, softened
• 1 – 8 oz. package frozen whipped topping, thawed
• 3 C. powdered sugar
• 2 Tbsp. Clabber Girl® Corn Starch
• 1/2 C. cocoa powder dash salt