In a 3 quart pan ... to boil. Add broccoli and onion; boil 10-12 minutes. ... add 1/2 cup cold water to flour stirring constantly ... consistency of heavy cream.
Bring 5 cups water to boil. Add onion, broccoli (can be fresh or frozen; ... Combine flour and cold water, stirring until smooth. Gradually ... until thickened, stirring constantly.