In a large bowl, cream butter and 1 cup sugar until light and fluffy, 5-7 minutes. Add eggs, 1 at a time, beating well after each addition. Beat in extract. Combine dry ingredients; gradually add to creamed mixture and mix well. Stir in almonds. , Line a baking sheet with foil and grease the foil. Divide dough in half; on the foil, shape each portion into a 12x3-in. rectangle. Brush with milk; sprinkle with remaining sugar. , Bake at 375° until golden brown and firm to the touch, 15-20 minutes. Lift foil with rectangles onto a wire rack; cool for 15 minutes. Reduce heat to 300°., Transfer rectangles to a cutting board; cut diagonally with a serrated knife into 1/2-in. slices. Place cut side down on ungreased baking sheets. , Bake for 10 minutes. Turn and bake until firm, 10 minutes longer. Remove to wire racks to cool. Store in an airtight container.