Spicy chicken with spinach

Serves 4

4 chicken fillets diced
1 onion finely chopped
1 tbsp olive oil
2 carrots sliced
2 handfuls of broccoli florets 
100g spinach
2 tbsp harissa paste
400 ml tin chopped tomatoes
100 ml mascarpone cheese
1 tsp mixed herbs

1)mix the chicken and harrisa paste in a large bowl and leave to marinade for st least 30mins in the fridge 
2)heat the olive oil in a large pan, stir fry the onion carrot and broccoli for 3-5 mins until starting to soften then add the marinaded chicken and stir until the chicken is browned
3)add the tomatoes and stir well and bring to a bubble for 10 mins until the chicken is cooked through
4)add the mascarpone and stir into the sauce until fully melted then stir in the spinach and stir until wilted
5)serve with freshly cooked pasta, rice  or warm flatbread