• 2 slices white bread, torn into small pieces
• 1/4 cup beef broth or water
• 1 pound ground beef (80/20 ground chuck)
• 1 small onion, peeled and grated
• 1 egg, well beaten
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 2 tablespoons canola oil
• 1 can (14 ounces) button mushrooms, drained and sliced

For the Gravy

• 1/4 cup butter
• 1/4 cup flour
• 2 cups beef broth
• 1/4 teaspoon salt
• 1/4 teaspoon pepper