Secret Strawberry Filled Cake - Cake

Method

• Prepare cake as directed on package.
• In small microwave-safe bowl, sprinkle gelatin over cold water; let stand 2 minutes. Microwave at High power for 40 seconds; stir well.
• Let stand 2 minutes or until gelatin is completely dissolved.
• Cool slightly. In medium bowl, stir together yogurt, strawberry syrup and gelatin mixture until smooth.
• Refrigerate until mixture mounds slightly when dropped from spoon.
• Place cake on serving platter with rounded side down.
• Cut 1-inch layer with a serrated knife from top of cake.
• Lift off in one piece.
• Using serrated knife, cut trench in cake 1 inch wide and 1 1/2 inches deep.
• Leave 1 inch walls on cake.
• With fork, remove cake without breaking through sides or bottom.
• Spoon strawberry mixture into trench.
• Put top back on cake.
• Cover and refrigerate.
• Make a chocolate syrup topping by mixing whipped cream, Hershey's syrup and cream of tartar.
• Beat until stiff.
• Cover cake with topping.
• Refrigerate for 4 hours or until center is set.
• Keep refrigerated.