Layout Lentils On A Tray And Pick Out Any Pebbles Or Broken Lentils. Soak Lentils In Cold Water With Enough To Cover For 2 Hours. Drain Well. Combine The Lentils, Rice And Onions In A Large Casserole Pot. Stir In Remaining Ingredients, Then Cover. Bake In A Preheated 425 F. Oven For Twenty-Five Minutes. Stir Rice And Lentils Gently To Mix Well, Then Bake For 20 Minutes Longer Or Till The Rice Is Tender And The Liquid Absorbed.