1. Slice pork into 8 equal pieces.
2. In a heavy-bottomed skillet, over the medium heat, melt butter. Add onion and celery, sweat, without coloring, 2 minutes. Transfer to 2-quart casserole.
3. Dust pork pieces with seasoned flour.
4. In a skillet, over high heat, sear pork pieces on the oil. Remove.
5. Arrange apples on top of onion in the casserole. Add the pork, mixed with the remaining ingredients.
6. Bring to a boil. Cover, lower heat, and simmer, 1 hour.
Presentation:
Transfer the pork, apple, and onions to a serving platter. Reduce the cooking liquid by half. Strain and pour over the pork. Garnish with fresh basil leaves.