Lentils with mushrooms and spinach

This is a really earthy and filling side dish. It goes well with roasted or pan fried white meat such as chicken or pork, a nice piece of pan fried cod or served with griddled halumi cheese. Ingredients: 250g puy lentils (I bought ready cooked ones) 1 small onion, finely chopped 1 garlic clove, crushed…