INGREDIENTS
1 1/4 cups
all-purpose flour (make sure to properly measure the flour!)
1/2
teaspoon baking powder
1/4 tsp
baking soda
1/4 tsp
salt
2
large eggs
1 cup
granulated sugar
1/2 cup
unsalted butter, softened
1 1/2 tsp
vanilla extract
1/2 cup
sour cream
1
(2 sticks) cup unsalted butter, softened
2 1/2 cups
powdered sugar
2 tbsp
vanilla extract
1
Tablespoon heavy whipping cream*
Pop Rocks, to sprinkle on top