Chicken Feta Stir Fry

1/2 lb of chicken cut into chunks
olive oil
minced garlic
sea salt
pepper
1/2 yellow onion chopped
1/2 green Bell pepper chopped
1 vine ripened tomato chopped
sliced fresh mushrooms
balsamic vinegar
fresh spinach leaves torn
Feta cheese

Sautee chicken with onion and pepper in olive oil and splash of balsamic vinegar, minced garlic and sprinkle with salt and pepper until done

Add tomato and mushrooms and sautee, then add torn spinach leaves and feta cheese, sautee until leaves are still green but begin to wilt

You can eat this by itself, in a wrap or over quinoa. It is really good and fast!