Steps
1
Cook the pasta according to the packet instructions and drain. Melt the butter in a saucepan. Add the onion, cover with a lid and saute for eight minutes or until softened.
2
Add the mushrooms and fry for three minutes. Add the garlic and fry for two minutes. Add the flour, and then add the milk, stirring until thickened.
3
Add the thyme, parmesan cheese and spinach and stir until wilted. Stir in the drained pasta.