- Olive oil for the pan plus 1 tsp.
 
- 12 (6 1/2-oz.) grouper fillets
 
- Kosher salt
 
- Freshly ground pepper
 
- 1 (10-oz. bag) fresh spinach
 
- Preheat an oven to 400ºF. 
 
Hollandaise Sauce with Saffron
- 6 egg yolks
 
- 1 cup melted butter
 
- 1/4 cup fresh lemon juice
 
- Pinch cayenne pepper
 
- Generous pinch saffron