Tenderloin of Pork St. John

Ingredients

• 1/4 cup olive oil
• 1 cup finely diced onions
• 1/2 cup finely diced bell pepper
• 1/2 cup finely diced celery
• 12 oz. andouille sausage, removed from casings and coarsely ground
• 2 Granny Smith apples, peeled, cored and minced
• 1 tsp. minced garlic
• 1/2 tsp. salt
• 1/4 tsp. black pepper
• 1 1/2 cups stale French bread cubes, about 1/4 inch in size
• 1 1/2 lb. pork tenderloins, trimmed and sprinkled with water
• 3/4 cup (1 1/2 sticks) unsalted butter
• 1/2 cup port wine
• 1/2 cup dry white wine