1 lb flank steak
Cooking spray
Salt and pepper
Worcestershire sauce
2 sweet potatoes, peeled and sliced in fries
1 tbs grill spice
1 tbs olive oil
6 - 10 oz fresh baby spinach
1 tbs unsalted butter
Salt and pepper, to taste
Pinch of nutmeg
Juice of 1/2 lemon
Optional: ketchup, malt vinegar, seasoned mayo to serve