Chicken and Mushroom Casserole

There are nights when cooking from scratch feels like too much – and that’s exactly why I love having a dish like this Easy Chicken & Mushroom Casserole tucked away in the freezer. Years ago, I started making it as one of my “safety net” meals – you know, the ones you can pull out after a long day when everyone’s hungry and you don’t want to fuss. It’s simple, hearty, and full of that homely flavour that only a casserole can deliver.
With tender chicken, earthy mushrooms, and a rich, creamy sauce, it’s the kind of recipe that warms you from the inside out. And thanks to the Thermomix, it’s a breeze to whip up a double batch – one for tonight and one for the freezer. Future you will be very thankful!
And here’s a little bonus tip: this casserole makes the most incredible pie filling. I often use it in my pie maker for quick, golden little parcels of comfort. Talk about versatility – dinner one night, pies the next, and leftovers frozen for another day.
Chicken and Mushroom Casserole
Equipment
- TM6 or TM7
Ingredients
- 1 onion quartered
- 3 cloves garlic peeled
- 40 grams butter
- 1 tbsp olive oil
- 200 grams brown mushrooms, quartered
- 1 tsp dried thyme
- 50 grams white wine
- 125 grams chicken stock
- 650 grams chicken breast cut into 4cm pieces
- 2 tbsp flour
- 100 grams frozen peas
- 125 grams thickened cream
- Handful baby spinach Optional
- Squeeze lemon to taste
- Salt and pepper to taste
- 2 tbsp cornflour Optional to thicken
Instructions
- Add onion and garlic to TB (Thermomix Bowl) and chop 3 secs/speed5.
- Add butter and olive oil and cook 4 mins/100℃/speed 1.
- Add mushrooms and cook 4 mins/120℃/reverse/speed 1.
- Add thyme, wine, chicken stock and cook 6 mins/120℃/speed 1/ Simmering basket on lid.
- Taste and season
- Add flour to chicken and mix in.
- Add chicken, cream, peas, and cook 12mins/100℃/reverse/spoon speed/simmering basket on lid.
- Adjust seasoning with salt, pepper, a squeeze of lemon. Add spinach if using and cornflour slurry if you want sauce thicker. Cook 3 mins/100℃/reverse/spoon speed/simmering basket on lid.

