Hamburger Steaks with Savory Brown Gravy and Mushrooms - Bake it Good

Ingredients

• 1 ½ pounds ground beef
• ½ cup yellow onion finely diced
• 1 teaspoon onion powder
• 1 teaspoon garlic powder
• 1 teaspoon Worcestershire sauce
• Salt to taste
• Black pepper to taste
• 1 tablespoon olive oil
• 1 yellow onion thinly sliced
• 1 cup baby bella mushrooms thinly sliced
• 2 packets instant brown gravy mix
• 2 cups water