1 (6 oz.) pkg. UNCLE BEN'S® long grain and wild rice
1 (4 oz.) can sliced mushrooms, drained
1 tsp. prepared mustard
1/2 tsp. salt
2 1/4 c. water
1 (10 oz.) pkg. frozen spinach
3/4 c. onion, chopped
1 tbsp. butter
1 (8 oz.) pkg. cream cheese (soft or cut in cubes)

Place contents of rice and seasoning packets, mushrooms, mustard and salt in 2-quart casserole. Combine water, spinach, onion and butter in saucepan. Bring to a boil. Pour over rice mixture and stir. Cover tightly and bake at 375 degrees for 30 minutes. Uncover. Stir in cheese. Bake uncovered 10 to 15 minutes.