St. Louis Gooey Butter Cake Recipe

Ingredients

• 3 tablespoons/45 milliliters milk at room temperature
• 1 3/4 teaspoons/5 grams active dry yeast
• 6 tablespoons/85 grams unsalted butter at room temperature
• 3 tablespoons/45 grams sugar
• 1 teaspoon/5 grams kosher salt
• 1 large egg
• 1 3/4 cups/215 grams all-purpose flour
• 3 tablespoons plus 1 teaspoon/50 milliliters light corn syrup
• 2 1/2 teaspoons/10 milliliters vanilla extract
• 12 tablespoons/170 grams/1 1/2 sticks unsalted butter, at room temperature
• 1 1/2 cups/300 grams sugar
• 1/2 teaspoon/3 grams kosher salt
• 1 cup plus 3 tablespoons/145 grams all-purpose flour
• Confectioners’ sugar, for sprinkling