Preparation: Defrost the frozen mussels. Rinse mussels and dab dry well. Cut tomatoes into fine strips.
At the table: Fry the mussels on the hot grill or hot stone for 3-4 minutes, turning once. Season to taste.
Place the mussels, tomatoes and herb cream fraiche in the pans. Bake under the hot grill.
Serve with herb cream-fraîche: Peel 1 clove of garlic and dice finely. Mix 500-600 g crème fraîche, garlic and 50 g frozen herbs of Provence. Season to taste with salt, pepper and some lemon juice.
Possibly sprinkle with chive rolls.