Fry ground beef patties and onions for a casserole dish and get a meal so delicious your husband will be begging for more! It’s like a diner dinner at home.

Ingredients
1 lb ground beef (80–90% lean)
1/3 cup plain breadcrumbs
1 large egg
1/4 cup milk
1 tbsp Worcestershire sauce, divided
1 tsp onion powder
1 tsp garlic powder
1/2 tsp dried thyme (optional but nice)
1/2 tsp salt
1/2 tsp black pepper
1 tbsp olive oil or vegetable oil (for searing, optional)

1 small onion, thinly sliced
1 cup sliced mushrooms (fresh or canned, drained)
2 tbsp butter
2 tbsp all-purpose flour
2 cups beef broth (low sodium if possible)
1 tbsp ketchup
1 tsp Dijon or yellow mustard
Additional salt and pepper to taste
Cooking spray or a little oil for greasing the baking dish
Directions
Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish or similar-sized casserole with cooking spray or a bit of oil