Heat oil in large sauce pan, cook onion over medium high heat for 2 minutes. Stir In garlic and cook for 30 seconds. Stir in uncooked orzo & and toss to coat and cook for 1 minute. Reduce heat to medium. Slowly stir in 1/2 cup of stock at a time. Adding the next half cup when the previous one has been absorbed. When orzo is tender stir in a drizzle of olive oil and season with salt and pepper. Toss orzo with steamed vegetables. Serve with grated Parmesan and black pepper.