hamburger steaks with mushroom-onion gravy

Ingredients For hamburger steaks with mushroom-onion gravy

• STEAKS
• 1 pound lean ground beef
• 1 egg
• 1/4 cup bread crumbs
• 1/8 teaspoon black pepper
• 1/4 teaspoon seasoned salt
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1 teaspoon worcestershite sauce
• 1 tablespoon vegetable oil
• GRAVY
• 1 cup onion, thinly sliced
• 1 cup mushrooms, sliced
• 2 tablespoons all-purpose flour
• 1 cup low-sodium beef broth
• 1 tablespoon cooking sherry
• 1/4 teaspoon seasoned salt