1. Coat 3-qt. saucepan with cooking spray. Cook onion in saucepan over medium heat 4 to 5 minutes, or until softened, stirring occasionally. Add broccoli, vegetable broth, and 2 cups water, and bring to boil. Stir in nutritional yeast, cumin, and nutmeg; reduce heat, and simmer, partially covered, 20 minutes, or until broccoli is tender. 2. Working in batches, purée soup in food processor until smooth. Return to saucepan. Stir in half-and-half, and heat over low heat until hot.