# What You Need:
→ For the Filling
01 - 2 tablespoons unsalted butter
02 - 1 medium yellow onion, diced
03 - 2 medium carrots, diced
04 - 2 celery stalks, diced
05 - 2 cloves garlic, minced
06 - 1/3 cup all-purpose flour
07 - 2 cups low-sodium chicken broth
08 - 1 cup whole milk
09 - 2 cups cooked chicken breast, diced or shredded
10 - 1 cup frozen peas
11 - 1 teaspoon fresh thyme leaves
12 - 1 teaspoon salt
13 - 1/2 teaspoon freshly ground black pepper
→ For the Biscuit Topping
14 - 2 cups all-purpose flour
15 - 1 tablespoon baking powder
16 - 1/2 teaspoon baking soda
17 - 1 teaspoon salt
18 - 6 tablespoons cold unsalted butter, cubed
19 - 3/4 cup cold buttermilk
20 - 1 large egg, lightly beaten for egg wash
# How to Make It:
01 - Preheat oven to 400°F (200°C).
02 - In a large skillet or Dutch oven, melt butter over medium heat. Add onion, carrots, and celery. Sauté for 6–8 minutes, until softened. Add garlic and cook 1 minute more.
03 - Sprinkle flour over vegetables. Cook, stirring constantly, for 1–2 minutes until flour is absorbed.
04 - Gradually whisk in chicken broth and milk. Bring to a simmer, stirring until thickened, approximately 3–4 minutes.
05 - Stir in chicken, peas, thyme, salt, and pepper. Remove from heat.
06 - Pour the filling into a 9x13-inch baking dish or large pie dish.
07 - In a large bowl, whisk together flour, baking powder, baking soda, and salt. Add cold butter and cut in with a pastry blender or fingers until mixture resembles coarse crumbs.
08 - Add buttermilk and gently stir until just combined. Do not overmix.
09 - Drop spoonfuls of biscuit dough evenly over the filling. If desired, brush the tops with beaten egg for a glossy finish.
10 - Bake for 25–30 minutes, until biscuits are golden brown and filling is bubbling.
11 - Let rest for 5–10 minutes before serving.