Barley Salad over Fresh Tomatoes

cooked pearl barley

⅓ cup(s)

grated Parmesan cheese

1 Tbsp

scallions

1 Tbsp, thinly sliced

olive oil

1 tsp

table salt

1 pinch(es), or to taste

black pepper

1 pinch(es), or to taste

tomato

½ medium, thinly sliced

lemon zest

1 tsp