In a medium saucepan bring 1/2 cup water to boiling.
Add broccoli and onion.
Cover and simmer about 5 minutes or till broccoli is crisp-tender.
Do not drain.
Stir in condensed soup, milk, cheese, and pepper.
Cook and stir about 4 minutes or till heated through.
Pass peanuts to sprinkle atop soup, if desired.