Strawberry Spinach Salad

For the salad

spinach

strawberries (sliced)

large onion (sliced)

pecans (halved)

feta cheese (or gorgonzola cheese)

medium grilled chicken breasts (sliced (optional))

For the dressing

balsamic vinegar

extra virgin olive oil

honey

garlic powder

ground mustard

salt and freshly ground black pepper