Baked Steamed Rice
["1 stick margarine", "1 medium onion, chopped", "2 cans beef consomm (undiluted)", "1 c. uncooked rice (long grain)", "1 can sliced mushrooms"]
["Saute onion in margarine until tender. Combine other ingredients and pour into casserole dish (13 x 9). Cover and bake at 350\u00b0 for 1 hour."]
["margarine", "onion", "beef consomm", "rice", "mushrooms"]