crack pie

Ingredients

• 9 tablespoons unsalted butter (1 stick plus one tablespoon), room temp
• 5 1/2 tablespoons light brown sugar, packed
• 2 tablespoons sugar
• 1 large egg
• 3/4’s cup plus 2 tablespoons old-fashioned oats
• 1/2 cup all purpose flour
• 1/8 teaspoon baking powder
• 1/8 teaspoon baking soda
• 1/3 teaspoon kosher salt
• 3/4 cup sugar
• 1/2 cup light brown sugar, packed
• 1 tablespoon nonfat dry milk powder
• 1/4 teaspoon kosher salt
• 1/2 cup (1 stick) unsalted butter, melted and slightly cooled
• 6 1/2 tablespoons heavy whipping cream
• 4 large egg yolks
• 1 teaspoon pure vanilla extract