Heat oil in a large nonstick skillet over medium-high heat.
Add ginger, garlic, and pepper; saut 30 seconds.
Add pork to pan; cook 2 minutes or until browned, stirring to crumble.
Add beans; cook 2 minutes, stirring occasionally.
Combine broth, soy sauce, and cornstarch; stir with a whisk. Stir broth mixture into pork mixture; cook 1 minute or until thickened. Divide rice among 4 plates; top evenly with pork mixture.