Jello Poke Cake

Bahan-bahan (12 porsi)

• One 15-ounce box any vanilla or white cake mix ((plus ingredients on the box needed or preparation))
• One 3-ounce box raspberry Jello
• 1 cup hot water
• ¾ cup cold water
• 3 cups Cool Whip, (thawed)
• fresh raspberries, (for serving)
• mint leaves, (for garnish)