Updated Beef Stroganoff

Ingredients

• 1-1/2 cups uncooked bow tie pasta
• 1 pound beef tenderloin roast cut into 1-inch pieces
• 1/8 teaspoon pepper
• 1/2 pound mushrooms, sliced
• 1/3 cup coarsely chopped onion
• 2 teaspoons canola oil
• 1-1/2 tablespoons all-purpose flour
• 3/4 cup low-sodium beef broth
• 1 tablespoon sliced green onions
• 1/4 cup reduced-fat sour cream