- Melt margarine in heavy 4 quart kettle or Dutch oven over medium heat; saute onion until tender. Blend in flour until smooth. Gradually stir in milk and remaining ingredients. Cook over medium heat, stirring constantly, until mixture comes to a boil; boil and stir 1 minute.
Variation: Substitute 2 1/4 pounds fresh broccoli for frozen broccoli. Cut broccoli stems into 3/4" pieces; cut florets into 1" pieces. Fill Dutch oven half full of water; bring to a boil. Drop stems into water; boil 3-4 minutes. Add florets; boil 1 minute longer. Drain, rinse with cold water. Proceed as in recipe above.