Eclair Cake

Bahan-bahan (8 porsi)

• 2 boxes instant vanilla pudding mix (3.4 ounces each)
• 3 ½ cups whole milk
• 8 ounces cool whip
• 28.8 ounces graham crackers (2 boxes)
• 6 tablespoons butter
• 6 tablespoons whole milk
• 6 tablespoons unsweetened cocoa powder
• 2 cups powdered sugar
• 1 teaspoon vanilla extract