Baked Chicken Casserole with Mashed Potatoes and Béchamel Sauce 🍗🥔🧀✨
✨ Why This Recipe Works
A comforting Turkish-style layered casserole featuring a bed of creamy butter-whipped mashed potatoes topped with tender sautéed chicken and peppers, smothered in silky béchamel sauce and baked under bubbling melted Kaşar cheese.
Crafted with everyday pantry staples and perfected in Mery's home kitchen, this Baked Chicken Casserole with Mashed Potatoes and Béchamel Sauce 🍗🥔🧀✨ brings authentic comfort and vibrant flavors straight to your table. Every step has been carefully timed and measured so home cooks of any skill level can recreate foolproof, delicious results with ease.
With a quick 25 minutes of prep and 35 minutes of cooking, this wholesome dish balances ease and rich flavor without requiring complicated culinary equipment.
📜 Deep-Dive Food History • 🌲 Wild Foraging & ASMR Cooking • 🍲 Ancient Recipes Brought to Life
🥗 Ingredients (tap to check off)
- 500 g (1.1 lbs) chicken breast (or turkey breast), chopped into small bite-sized cubes
- 1 medium yellow onion (finely chopped)
- 3 peppers green peppers (Sivri or Italian frying peppers, sliced)
- 1 medium red bell pepper (capia pepper, finely chopped)
- 2.5 tbsp vegetable oil
- 1 tbsp butter
- 1 tbsp tomato paste
- 1 to taste salt, black pepper, red pepper flakes (pul biber), and thyme (kekik)
- 0.75 cup (180ml) warm water (just under 1 glass)
- 5 medium (approx. 800g) potatoes (peeled and boiled until fork-tender)
- 1 tbsp butter (for mash)
- 0.5 cup (100ml) warm whole milk (1 Turkish teacup)
- 1 to taste salt and black pepper (for mash)
- 1 tbsp butter (for roux)
- 1.5 tbsp all-purpose flour
- 2 cups (480ml) warm milk (2 glasses)
- 0.5 tsp fine salt (for béchamel)
- 1.5 cups (160g) grated Kasseri (Kaşar) cheese or shredded mozzarella/cheddar blend
👨🍳 Step-by-Step Instructions
Sauté the Chicken & Peppers
Chop the chicken breast into small bite-sized cubes. Heat the vegetable oil and 1 tbsp butter in a wide skillet over medium-high heat. Add the chicken and sauté until it releases and reabsorbs its natural juices. Add the finely chopped onion, sliced green peppers, and red capia pepper; continue sautéing for 4–5 minutes. Stir in the tomato paste for 1 minute, then season with salt, black pepper, red pepper flakes, and wild thyme. Pour in 3/4 cup warm water, cover with a lid, and simmer gently until the chicken is tender and saucy.
Prepare the Mashed Potatoes Base
Peel and boil the potatoes in salted water until fork-tender. Drain completely and mash thoroughly while still hot. Blend in 1 tbsp butter, 1/2 cup warm milk, salt, and black pepper until silky, smooth, and creamy. Divide and spread the warm mashed potatoes evenly across 4 individual rustic copper pots (or earthenware casserole dishes / one large casserole dish).
Layer the Savory Chicken
Spoon the hot, flavorful chicken and pepper mixture evenly over the top of the mashed potato layer in each individual copper pot.
Whisk the Silky Béchamel Sauce
In a saucepan, melt 1 tbsp butter over medium heat. Add the flour and whisk for 1–2 minutes until bubbling and the raw flour aroma disappears. Gradually pour in the 2 cups of warm milk while continuously whisking to prevent any lumps. Add salt and simmer, whisking constantly, until the sauce thickens into a glossy, velvety béchamel. Pour an equal amount of hot béchamel directly over the chicken layer in each dish.
Bake to Bubbling Perfection
Sprinkle a generous layer of grated Kaşar or mozzarella cheese over the top of each casserole. Arrange the individual copper pots onto a large baking sheet and bake in a preheated oven at 180°C (350°F) for about 20 minutes, or until the cheese is completely melted, bubbling, and baked to a deep golden-brown crust. Garnish with fresh thyme and serve warm!
❄️ Storing & Reheating Leftovers
Refrigeration: Allow the dish to cool to room temperature, then store in an airtight glass container in the refrigerator for up to 3 to 4 days.
Reheating: Reheat in a skillet over medium-low heat with a small splash of water or olive oil, or in a 350°F (175°C) oven until thoroughly warmed. This preserves the delicate moisture without drying out the texture.
🍳 Recommended Kitchen Equipment
Kitchen Note: Having the right kitchen tools ensures foolproof results. We recommend items tested in our own home kitchen.
📊 Nutritional Breakdown (Per Serving)
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