Press Sauté; heat 1 tablespoon oil in Instant Pot®. Add onion; cook and stir 5 minutes or until translucent. Add remaining 1 tablespoon oil, mushrooms, salt and pepper; cook about 8 minutes or until mushrooms have released their liquid and are browned, stirring occasionally. Add garlic; cook and stir 1 minute. Add farro and thyme; cook and stir 1 minute. Add broth; mix well.