1 teaspoon baking powder
A pinch of salt
For the "Secret Weapon" Filling & Topping:
2 cups (500ml) very cold whole milk
1 (5.1 oz) box instant vanilla pudding mix (the "chef's kiss" shortcut)
1 cup (250ml) heavy cream, cold
Grandma's 15-Minute "Crazy Cake": The Legendary Recipe That Defies Time
