Nutella Stuffed Cookies

Name: Nutella Stuffed Cookies
Prep time: 20 min
Cook time: 12 min
Total time: 32 min
Cuisine: American
Ingredients: 1 cup unsalted butter, softened (Gives the cookies richness and a tender crumb.); 3/4 cup granulated sugar (Helps create those lightly crisp edges.); 3/4 cup brown sugar, packed (Adds moisture and a deeper caramel note.); 2 large eggs (Bind the dough and keep it soft.); 2 teaspoons vanilla extract (Use real vanilla for the warmest flavor.); 2 3/4 cups all-purpose flour (Provides the structure of the cookies.); 1 teaspoon baking soda (Helps the cookies rise and spread just enough.); 1/2 teaspoon baking powder (Adds a little lift.); 1 teaspoon fine salt (Balances the sweetness.); 1 1/2 cups Nutella, chilled and scooped into small portions (The star of the show.); optional flaky salt (A tiny sprinkle makes the chocolate and hazelnut flavor pop.)