The Ina Garten Holiday Special Cake Recipe

Ingredients

• 8 tablespoons (1 stick; 115 grams) butter, at room temperature
• 1¼ cups (250 grams) granulated sugar
• 1/4 cup tightly packed (60 grams) light brown sugar
• 3 eggs
• 1/2 cup (110 grams) buttermilk
• 1/2 cup (75 grams) grapeseed oil
• 1 tablespoon (12 grams) vanilla extract
• 1½ cups (185 grams) cake flour
• 1 teaspoon (4 grams) baking powder
• 1 teaspoon (4 grams) kosher salt
• nonstick cooking spray (optional)
• 4¼ cup (553 grams) powdered sugar
• 1/2 cup (55 grams) cornstarch
• 1/4 teaspoon (1 gram) salt
• 1 cup (200 grams) shortening
• 1/3 cup (133 grams) corn syrup
• 2 tablespoons (28 grams) clear vanilla extract
• 3 tablespoons (44 grams) whole milk
• 1 teaspoon (5 grams) mint flavor
• couple drops (.2 gram) green food coloring