Preheat your oven to 375°F (190°C).

In a large skillet over medium heat, cook the ground beef until browned. Drain any excess fat.

Add the diced onion and minced garlic to the skillet, sautéing until the onion becomes translucent, about 3-5 minutes.

Stir in the frozen mixed vegetables, cream of mushroom soup, Worcestershire sauce, thyme, paprika, salt, and pepper. Cook for an additional 2-3 minutes to combine all flavors.

Pour the meat mixture into a greased 9x13 inch baking dish, spreading it evenly.

In a bowl, combine the biscuit mix, cheddar cheese, milk, melted butter, garlic powder, and dried parsley until a dough forms.

Spoon the biscuit mixture over the beef filling, spreading it out to cover as much surface area as possible.

Place the dish in the oven and bake for 25-30 minutes, or until the biscuit topping is golden brown and cooked through.

Once out of the oven, let it cool for a few minutes before serving.