Name: Nutella Stuffed Oatmeal Hazelnut Chocolate Chip Cookies
Yield: 16 large cookies
Ingredients: 1 cup (2 sticks) butter, room temperature; 1 cup dark brown sugar; ⅓ cup white sugar; 2 large eggs; 1 teaspoon vanilla extract; 1½ cups all-purpose flour; 1 teaspoon baking soda; 1 teaspoon kosher salt; 3 cups rolled oats; 8 oz. dark chocolate (chopped); ¾ cup hazelnuts (toasted and chopped); ½ cup Nutella (or any chocolate hazelnut butter); Flaky sea salt (optional but recommended)