Step 1

Preheat oven to 350°F. Season pork with salt and pepper. Melt butter in an ovenproof braiser pan, large straight-sided skillet, or wide, shallow pot over medium-high heat. When foam subsides, add pork and cook, turning a few times, until browned all over, 10 to 12 minutes (do not crowd pan; brown in two batches if necessary). Transfer to a plate.

Step 2

Add bacon and shallots to pan; reduce heat to medium and cook, stirring a few times, until bacon renders its fat and shallots turn golden brown in places, 6 to 8 minutes. Return pork and any accumulated juices to pan. Sprinkle evenly with flour, stir, and cook 1 minute. Add bay leaf and cider; boil 1 minute. Add broth and return to a boil.

Step 3

Cover and transfer to oven; braise 45 minutes. Stir in carrots and celery, cover, and return to oven until pork is fork-tender and carrots are tender but still holding their shape, 1 hour to 1 hour, 15 minutes. Remove and discard bay leaf. Stir in crème fraîche and Dijon. Top with herbs; serve with more crème fraîche and Dijon.