Name: Toasted Hazelnut Slice 'n' Bake Cookies with Milk Chocolate
Prep time: 30 min
Cook time: 14 min
Total time: 4 h 50 min
Yield: 24 cookies
Ingredients: 3/4 cup (170g) unsalted butter, softened to room temperature; 2/3 cup (133g) packed light or dark brown sugar; 1 large egg, at room temperature; 1 teaspoon pure vanilla extract; 2 cups (250g) all-purpose flour (spoon & leveled); 1/2 teaspoon ground cinnamon; 1/4 teaspoon salt; 1 cup (120g) toasted and finely chopped hazelnuts, divided*; optional: coarse sugar for rolling; 8 ounces (226g) milk chocolate, coarsely chopped*