chicken breast w tomatoes and capers

Ingredients

• 2 1/4 pounds breast boneless skinless ckicken
• taste ounce salt & pepper
• 2 tablespoons olive oil
• 2 tablespoons butter
• 6 tablespoons shallots chopped
• 4 teaspoons garlic
• 4 teaspoons tarragon
• 28 ounces plum tomatoes chopped
• 1/4 cup red wine vinegar
• 1 cup dry white wine
• 1/4 cup capers drained
• 2 tablespoons tomato paste
• 1/4 cup fresh parsley