Mussels in White Wine

INGREDIENTS

• 1 1/2 tablespoons minced garlic (5 to 6 cloves)
• 1 cup good white wine
• 1/3 cup chopped flat-leaf parsley
• 1/2 teaspoon good saffron threads
• 1 cup chopped shallots (5 to 7 shallots)
• 2 tablespoons unsalted butter
• 2 tablespoons good olive oil
• 1/2 cup chopped canned plum tomatoes, drained (4 ounces)
• 3 pounds cultivated mussels
• 1 teaspoon freshly ground black pepper
• 1/3 cup all-purpose flour
• 2 teaspoons kosher salt
• 1 tablespoon fresh thyme leaves