Sweet & Sour Lentils over Rice

Source: Vegetarian Times Cookbook
Makes 4 servings

2 cups uncooked brown rice plus 4 cups water
¾ cup dry lentils plus 3 cups water
3 TB apple cider vinegar
1 ½ TB tamari
3 TB honey
1 ½ tsp ground ginger
1 ½ tsp cornstarch
½ cup chopped onion
4 stalks celery, chopped

1. Place rice & water in saucepan; bring to boil, reduce heat, cover & simmer about 45 minutes; set aside
2. Meanwhile, place lentils & water in another saucepan; bring to boil, reduce heat, cover & simmer about 25 minutes or until tender. Add celery & onion during last 5 minutes of cooking.  Drain if needed. 
3. Make sauce: Place cornstarch & ginger in small saucepan & add a little water to dissolve.  Whisk in vinegar, tamari, honey, & ¼ cup water; bring to boil. Reduce heat, simmer, & stir until thickened.
4. Add sauce to cooked lentils; mix well, & simmer 5 minutes. Serve over rice.