Lemony Chicken and Spinach Couscous

2 chicken breasts, chopped into bite-sized pieces

1/2 chopped onion

3 minced garlic cloves

1 1/2 cups chicken broth

1 cup whole wheat couscous

3 diced tomatoes

a few handfuls of fresh spinach, sliced thinly

1/4 cup lemon juice

Saute onion and garlic together, then set aside. Cook chicken, then add to onion and garlic mixture. Bring chicken broth to a boil and stir in couscous. Cover and remove from heat; set aside for five minutes, or until liquid is absorbed. Fluff with a fork, then add chicken, onion, and garlic mixture. Stir in tomatoes, spinach, and lemon juice. Serve warm or chilled.