Step 1

Preheat oven to 350°. In a large bowl, cream butter and brown sugar until light and fluffy, 5-7 minutes. Beat in egg and egg yolk. In another bowl, mix oats, flours, baking soda and salt; gradually beat into creamed mixture. Stir in remaining ingredients.

Step 2

Shape dough by 1/4 cupfuls into balls; flatten to 3/4-in. thickness. Place 2 in. apart on ungreased baking sheets.

Step 3

Bake 13-15 minutes or until golden brown. Cool on pans 2 minutes. Remove to wire racks to cool. Serve warm or at room temperature. To reheat, microwave each cookie on high for 15-20 seconds or just until warmed.