Ingredients

• 2 lbs fresh mussels
• 2 tbsp butter
• 1.5 tbsp olive oil
• onion or shallots
• 2 cloves garlic
• 1 cup dry white wine
• 0.5 tsp salt
• 0.25 tsp black pepper
• 3 tbsp fresh parsley
• 1 stalk celery
• 0.5 cup tomatoes
• 0.5 cup crème fraîche
• crusty bread
• french fries