Preparation / Directions:
Trim fat from beef steak. Cut beef with grain into 2 inch strips; cut strips diagonally across grain into 1/4 inch slices.
Melt margarine in nonstick skillet over med-high heat. Cook onion, garlic, thyme, salt and pepper in margarine about 3 minutes, stirring occasionally, until onion is tender. Stir in beef and bell peppers. Cook about 4 minutes, stirring occasionally, until beef is no longer pink.
Stir in wine; reduce heat. Cover and simmer 5 minutes. Stir cornstarch into broth until dissolved; stir into beef mixture. Cook over med-high heat, stirring constantly, until thickened. Serve over rice.