
Made with AI
Preheat your oven to 180°C (350°F).
Slice the chicken breast into bite-sized pieces.
Trim and halve the Brussels sprouts.
Slice the mushrooms and chop the onion.
In a large skillet, melt the butter over medium heat.
Add the onion and sauté until translucent.
Add the chicken pieces and cook until browned on all sides.
Stir in the mushrooms and Brussels sprouts, cooking for another 5 minutes.
Sprinkle the flour over the mixture and stir well to coat.
Gradually add the milk, stirring constantly to avoid lumps.
Cook until the sauce thickens, about 3-4 minutes.
Transfer the mixture to a casserole dish.
Sprinkle the cheese evenly over the top.
Bake in the preheated oven for 20-25 minutes, or until the cheese is golden and bubbly.
Remove from the oven and let it cool slightly before serving.