Chocolate Chip Cookie Cake

Ingredients

• 2 ½ cups flour (spooned and leveled)
• 1 tsp. baking soda
• 1 tsp. cornstarch
• ¾ tsp. salt
• pinch nutmeg
• ¾ cup unsalted butter (softened)
• 1 cup dark brown sugar (packed)
• ½ cup granulated sugar
• 2 large eggs room temperature
• 2 tsp. vanilla
• 1 ¼ cups chocolate chips (1 ¼ - 1 ½ cups, more or less depending on preference)
• 8 tbsp. unsalted butter (softened)
• 1 tsp. vanilla
• Pinch salt
• 1 ½ cups powdered sugar
• ¼ cup cocoa powder
• 1-2 tbsp. heavy cream