Chicken Biscuit Casserole
Chicken biscuit casserole turns cooked chicken, mixed vegetables, and tender biscuits into a creamy, golden dinner that tastes like comfort food without a long grocery list.
This is the kind of meal I make when I have leftover chicken in the fridge and want something warm, filling, and easy. The filling bakes up rich and savory, while the biscuit topping turns buttery and crisp on top with soft, fluffy centers underneath.
Why You’ll Love This Recipe
- Creamy and cozy: The chicken, vegetables, soup, broth, and milk make a thick, savory filling.
- Golden biscuit topping: Refrigerated biscuit dough bakes into a buttery crust with soft, fluffy centers.
- Great for leftovers: Cooked chicken works perfectly, so nothing goes to waste.
- Weeknight friendly: You mix everything in the baking dish, top it, and bake.
Fabian’s Budget Tip: Use leftover roasted chicken, poached chicken, or shredded rotisserie chicken when it is on sale. Frozen mixed vegetables also keep the cost low and save chopping time.
Ingredients (Serves 4)
- 2 1/2 cups cooked shredded or chopped chicken, about 12 ounces (340 g)
- 2 cups mixed vegetables, frozen or thawed (300 g)
- 1 can cream of chicken soup, 10.5 ounces (298 g)
- 1/2 cup chicken broth (120 ml)
- 1/2 cup milk (120 ml)
- 1/2 cup finely chopped onion (75 g)
- 2 cloves garlic, minced (6 g)
- 1 teaspoon dried thyme (1 g)
- 1 can refrigerated biscuit dough, 8 count, cut into quarters (about 453 g)
- 2 tablespoons butter, melted (28 g)
- 3/4 teaspoon salt, or to taste (4 g)
- 1/2 teaspoon black pepper (1 g)
Step-by-Step Instructions
1. Heat the Oven
Preheat the oven to 375°F (190°C). Lightly grease a 9 by 13 inch baking dish or a similar casserole dish. The light coating helps the creamy filling release cleanly around the edges.
2. Mix the Creamy Filling
Add the cooked chicken, mixed vegetables, cream of chicken soup, chicken broth, milk, onion, garlic, thyme, salt, and black pepper directly to the baking dish. Stir until the sauce looks smooth and the chicken and vegetables are evenly coated.
The mixture should look creamy but not watery. If your cooked chicken is very dry, add 1 to 2 extra tablespoons of broth so the casserole stays tender as it bakes.
3. Add the Biscuit Dough
Cut each refrigerated biscuit into quarters. Scatter the pieces over the filling in an even layer. Leave a few small spaces between the pieces so steam can rise and the filling can bubble up around them.
4. Brush with Butter
Brush the biscuit pieces with melted butter. This gives the tops a rich flavor and helps them bake into a deep golden color. A little butter may drip into the filling, which makes the edges taste extra savory.
5. Bake Until Golden and Bubbling
Bake for 30 to 35 minutes, until the filling bubbles around the edges and the biscuit tops turn golden brown. Your kitchen should smell like warm garlic, thyme, and buttery biscuits.
If the biscuits brown before the centers cook through, loosely cover the dish with foil and bake for 5 to 8 more minutes. The biscuit pieces should feel set, not doughy, in the thickest spots.
6. Rest Before Serving
Let the casserole rest for 5 to 10 minutes. The creamy sauce will thicken as it cools slightly, which makes each scoop hold together better.
Expert Troubleshooting and FAQs
Why are my biscuits doughy underneath?
The biscuit pieces may be too large or packed too close together. Cut them into quarters and leave small gaps so hot steam can move through the topping. If needed, cover the dish loosely with foil and bake a little longer.
Can I use raw chicken?
Use cooked chicken for this recipe. Raw chicken will not cook evenly in the creamy filling before the biscuits brown. Poached, baked, roasted, or leftover chicken all work well.
Can I use fresh vegetables instead of frozen?
Yes. Dice firm vegetables small so they soften in time. Carrots, peas, corn, green beans, and broccoli all work well. If using very firm carrots, cook them for a few minutes first.
How do I make the filling thicker?
Use a little less broth, or let the casserole rest for 10 minutes after baking. The sauce thickens as the heat settles. Avoid adding too much extra milk, since it can make the filling loose.
How should I store leftovers?
Cool leftovers, then store them in an airtight container in the fridge for up to 3 days. Reheat portions in the oven or air fryer when possible so the biscuits taste less soft.
Estimated Nutritional Facts
These values are rough estimates per serving and will vary based on the biscuit dough, soup, milk, and chicken you use.
- Calories: about 520
- Protein: about 29 g
- Carbs: about 42 g
- Fats: about 27 g
Chicken Biscuit Casserole

Ingredients
- 2 1/2 cups cooked shredded or chopped chicken, about 12 ounces (340 g)
- 2 cups mixed vegetables, frozen or thawed (300 g)
- 1 can cream of chicken soup, 10.5 ounces (298 g)
- 1/2 cup chicken broth (120 ml)
- 1/2 cup milk (120 ml)
- 1/2 cup finely chopped onion (75 g)
- 2 cloves garlic, minced (6 g)
- 1 teaspoon dried thyme (1 g)
- 1 can refrigerated biscuit dough, 8 count, cut into quarters (about 453 g)
- 2 tablespoons butter, melted (28 g)
- 3/4 teaspoon salt, or to taste (4 g)
- 1/2 teaspoon black pepper (1 g)
Instructions
- 1. Heat the Oven. Preheat the oven to 375°F (190°C). Lightly grease a 9 by 13 inch baking dish or a similar casserole dish. The light coating helps the creamy filling release cleanly around the edges.
- 2. Mix the Creamy Filling. Add the cooked chicken, mixed vegetables, cream of chicken soup, chicken broth, milk, onion, garlic, thyme, salt, and black pepper directly to the baking dish. Stir until the sauce looks smooth and the chicken and vegetables are evenly coated. The mixture should look creamy but not watery. If your cooked chicken is very dry, add 1 to 2 extra tablespoons of broth so the casserole stays tender as it bakes.
- 3. Add the Biscuit Dough. Cut each refrigerated biscuit into quarters. Scatter the pieces over the filling in an even layer. Leave a few small spaces between the pieces so steam can rise and the filling can bubble up around them.
- 4. Brush with Butter. Brush the biscuit pieces with melted butter. This gives the tops a rich flavor and helps them bake into a deep golden color. A little butter may drip into the filling, which makes the edges taste extra savory.
- 5. Bake Until Golden and Bubbling. Bake for 30 to 35 minutes, until the filling bubbles around the edges and the biscuit tops turn golden brown. Your kitchen should smell like warm garlic, thyme, and buttery biscuits. If the biscuits brown before the centers cook through, loosely cover the dish with foil and bake for 5 to 8 more minutes. The biscuit pieces should feel set, not doughy, in the thickest spots.
- 6. Rest Before Serving. Let the casserole rest for 5 to 10 minutes. The creamy sauce will thicken as it cools slightly, which makes each scoop hold together better.









