Lemon Crumble Breakfast Cake
INGREDIENTS : Pie 1/4 c. unsalted butter, melted 1 recipe Oat Cookie (recipe follows) 1 tbsp. light brown sugar, packed 1/4 tsp. kosher salt 1 recipe Crack Pie Filling (recipe follows) confectioners’ sugar for dusting Oat Cookie 1/2 c. unsalted butter, softened 1/3 c. light brown sugar, packed 3 tbsp. white sugar, granulated 1 large egg yolk 1/2 c. all-purpose flour 1 c. old-fashioned rolled oats 1/8 tsp. baking powder pinch baking soda 1/2 tsp. kosher salt Crack Pie Filling 1 c. unsalted butter, melted 1 1/2 c. white sugar, granulated 3/4 c. light brown sugar, packed 1 1/2 tsp. kosher salt 1/4 c. corn powder (corn powder is defined as freeze-dried corn, ground to a fine powder) 1/4 c. milk powder 3/4 c. heavy cream 1/2 tsp. vanilla extract 8 large egg yolks