Birthday Cake - RecipesRun

Ingredients

• Pinch of kosher salt
• 1/4 cup Heavy cream
• 1 tsp. Pure vanilla extract
• 1/4 cup Sour cream
• 6 cups Powdered sugar
• 1 1/2 cups Butter, softened
• 1/2 cup Sprinkles, plus more for garnish, if desired
• 1 1/4 cups Milk
• 1 tsp. Kosher salt
• 2 tsp. Baking powder
• 1/4 cup Cornstarch
• 3 cups All-purpose flour
• 1 tbsp. Pure vanilla extract
• 4 Large eggs
• 2 1/4 cups Granulated sugar