Mixed Greens with Shallot Vinaigrette

INGREDIENTS

• 1 shallot, finely chopped
• 1 teaspoon Dijon mustard
• 2 tablespoons sherry vinegar
• 1 tablespoon chopped fresh flat-leaf parsley
• 1/2 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 4 tablespoons walnut oil
• 2 heads red oakleaf lettuce, cores removed, torn into pieces
• 1 head butterhead lettuce, core removed, torn into pieces
• 2 tablespoons fresh thyme, leaves
• 2 cups (1 pint) cherry tomatoes, halved