Mince garlic cloves and combine with pepper and vinegar. Set to the side

Chop mushrooms in half and then into triangles. Combine with mixture to marinate.

In a bowl combine spinach, cheese, and dressing. Set to the side or on plates.

Cook peppers and onion in olive oil in a pan. On medium cook to your liking.

Once the onion and peppers are about half way done add salt to mushrooms and cook on pan. You can also add olive oil to these if you wish. These should time out with the onion and peppers so they're hot when you serve them.

Pile onions and peppers on top of spinach then the mushrooms. Presto.