Both bottled lemon juice and dried grated lemon peel are readily available to keep on hand, but for this simple recipe grab fresh lemons from the grocery store. They flavor the chicken wonderfully and you'll have enough left to make fresh lemonade.
To quickly flatten chicken breasts, gently pound with the flat side of a meat mallet, the bottom of a small saucepan or a rolling pin until desired thickness.
To toast nuts, bake uncovered in an ungreased shallow pan in 350º oven about 10 minutes, stirring occasionally, until golden brown. Or cook in an ungreased heavy skillet over medium-low heat 5 to 7 minutes, stirring frequently until browning begins, then stirring constantly until golden brown.