Epona's Chicken Casserole

This casserole takes the fussiness out of a creamy chicken bake by poaching the chicken breast first, which keeps the meat tender and prevents that dry, stringy texture you get when raw chicken goes straight into the oven. Tarragon is the flavor engine here, its soft anise note is what pulls this dish out of generic territory and into something that tastes French-country rather than church-potluck.

The sour cream and mayonnaise combo keeps the sauce rich without going gluey, and a splash of white wine cuts the richness so every bite stays bright. Slivered toasted almonds add crunch against the soft vegetables, and the parmesan breadcrumb crust goes deep golden in the oven.

Chef Tips

• Poach the chicken just until cooked through, about 10 to 12 minutes, then drain well so the sauce doesn’t turn watery.
• Toast the slivered almonds in a dry skillet before adding them. Raw almonds go soft under the sauce; toasted ones stay crunchy.
• Sauté the carrots a touch longer than the celery and onion since they need the head start to turn tender.
• Use full-fat sour cream if you want a richer sauce. The fat-free version works but can weep a little after baking.

Variations

• Swap tarragon for fresh thyme or dill if tarragon isn’t your thing.
• Stir in a handful of sliced mushrooms with the vegetables for extra savory depth.
• Top with crushed buttery crackers instead of breadcrumbs for a retro potluck finish.