Chicken and Mushroom Casserole

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

A creamy, comforting Chicken & Mushroom Casserole recipe made easy in the Thermomix. Perfect for weeknight dinners, freezer-friendly for busy nights, and versatile enough to use as a filling for pies in your pie maker.
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Course: Main Course
Keyword: casserole, chicken, freezer, mushrooms,
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Servings: 4

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.