Broccoli Walnut Casserole

3 (16 oz.) packages frozen chopped broccoli, thawed
6 Tbsp. margarine, divided
1/4 Cup flour
2 1/2 tsp. instant chicken bouillon
2 Cups Milk
2/3 Cup water
2 Cups herb flavor stuffing mix
2/3 Cup chopped walnuts

Place broccoli in 2 quart casserole sprayed with Pam. In a saucepan melt 2 tablespoons margarine and stir in flour and bouillon, mix well. Gradually add milk, stirring constantly, until mixture is smooth and bubbly. Pour over broccoli. Combine water and remaining 4 tablespoons margarine in small saucepan, heating until margarine melts. Place stuffing mix and walnuts in bowl; stir in melted margarine and mix well.Spoon or sprinkle stuffing mixture over broccoli. Bake, uncovered, at 400 degrees for 20 to 30 minutes.

Serves 8.