Barley Risotto with Kale

Ingredients

• 1 small onion, finely chopped
• 1 tsp olive oil
• 1 cup pearled barley
• 2 3/4 cups water
• 1 tsp salt
• 1/2 tsp turmeric (optional)
• 1 pkg (10 oz.) frozen chopped kale, thawed
• 1/2 cup Parmesan cheese, grated
• 1/2 tsp pepper
• 2 tsp unsalted butter, cut up