Loco Moco

Ingredients

• 1 lb lean ground beef
• 1/3 cup panko bread crumbs
• 1 egg
• 3 garlic cloves, minced
• 1/2 onion, finely chopped
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1 tbsp milk
• 1 tsp Worcestershire sauce
• 1 tbsp unsalted butter
• 1/2 medium sized onion, sliced
• 2 cups sliced cremini or white button mushrooms (optional)
• 1-1/2 cups beef stock (plus more if needed)
• 2 tsp Worcestershire sauce
• 2 tsp soy sauce
• 2 tsp ketchup (optional)
• 3 tsp cornstarch (plus more if needed)
• Black pepper to taste
• Salt, to taste
• 1 tbsp oil or butter
• 4 eggs
• 4 cups hot cooked white rice (e.g. jasmine rice)
• Chopped green onions, for garnishing