Barley Salad over Fresh Tomatoes

cooked pearl barley

⅓ cup(s)

grated Parmesan cheese

1 Tbsp

uncooked scallion(s)

1 Tbsp, thinly sliced

olive oil

1 tsp

table salt

1 pinch, or to taste

black pepper

1 pinch, or to taste

fresh tomato(es)

½ medium, thinly sliced

lemon zest

1 tsp