Easy Chicken Pot Pie Casserole with Cheddar Biscuits - My Home Made Recipe

Ingredients

• 4 tablespoons (56 g) unsalted butter
• 1 small yellow onion, diced
• 2 cloves garlic, minced
• 1/3 cup (40 g) all-purpose flour
• 2 cups (480 ml) low-sodium chicken broth
• 1 cup (240 ml) whole milk
• 3 cups (420 g) cooked shredded chicken
• 12 oz (340 g) frozen mixed vegetables
• 1 teaspoon kosher salt, plus more to taste
• 1/2 teaspoon black pepper
• 1/2 teaspoon dried thyme
• 2 cups (240 g) all-purpose flour
• 1 tablespoon baking powder
• 1 teaspoon garlic powder
• 1/2 teaspoon kosher salt
• 6 tablespoons (85 g) cold unsalted butter, cubed
• 1 cup (115 g) shredded sharp cheddar cheese
• 3/4 cup (180 ml) whole milk, plus 1-2 tablespoons if needed