Ingredients
6 tbsp. butter, divided, plus more for pan
1 yellow onion, finely chopped
4 cloves garlic, minced
4 tbsp. all-purpose flour
1 tbsp. Dijon mustard
2 c. whole milk
2 c. low-sodium chicken broth
2 c. shredded white cheddar
3/4 c. sour cream
1/4 tsp. cayenne pepper
Kosher salt
Freshly ground black pepper
3 c. cooked turkey breast, diced
4 c. frozen broccoli, thawed and drained
1 c. crushed Ritz crackers
Freshly chopped chives, for serving
Preparation
Step 1Preheat oven to 375°. Grease a 2-quart baking dish with butter. In a medium saucepan over medium-high heat, melt 4 tablespoon butter. Add onion and garlic and cook until soft, stirring occasionally, about 5 minutes. Sprinkle flour over and cook, stirring constantly, 1 minute, then stir in mustard.Step 2While whisking, slowly pour in milk and then broth. Bring to a simmer and continue to whisk until thickened, about 7 minutes.Step 3Reduce heat to low and whisk in cheese, sour cream, and cayenne pepper until full combined. Remove from heat. Season generously with salt and pepper and stir in turkey and broccoli. Step 4Spread turkey mixture in the bottom of prepared pan and season with salt and pepper. Step 5Cover dish with foil and bake until broccoli is tender, about 40 minutes. Step 6Melt remaining 2 tablespoons butter and stir crackers into butter.Step 7Remove foil and top with cracker mixture. Continue to bake until cheese is golden and bubbly, about 25 minutes more. Step 8Sprinkle with chives before serving.
