Lemon Sheet Cake

Ingredients

• 1 1/3 cup milk
• 1/4 cup lemon juice (from 2 medium lemons)
• 3 1/4 cup flour
• 1 1/4 teaspoon baking powder
• 3/4 teaspoon baking soda
• 1 teaspoon salt
• 1 cup butter, softened
• 2 cups sugar
• 4 teaspoons finely grated lemon zest (from 2 medium lemons)
• 4 eggs
• 8 ounces cream cheese, room temperature
• 2 cups powdered sugar, sifted
• 3/4 cup sour cream
• Zest of 1-2 lemons
• Sprinkles, for garnish