Momofuku Milk Bar's Birthday Layer Cake

INGREDIENTS

Eggs, large

2 tbsp

Corn syrup, light

2 1/4 tsp

Baking powder

5 tbsp

Brown sugar, light

2 cups

Cake flour

3/4 cup

Cake or all-purpose flour

9 tsp

Clear imitation vanilla

1 3/4 cups

Granulated sugar

1 3/4 tsp

Kosher salt

1 1/4 cups

Powdered sugar

1/2 cup

Rainbow sprinkle

1/2 cup

Vegetable shortening

1/2 cup

Grapeseed oil

Vegetable oil spray, Nonstick

12 tbsp

Butter, unsalted

1/2 cup

Buttermilk

2 oz

Cream cheese

1/4 cup

Milk

strips Acetate (flexible plastic paper), each 3" wide and 20" long

" cake ring or springform mold

⅛ teaspoon citric acid (or ½ teaspoon fresh lemon juice)