Creating your Homemade Cheeseburger Pie is straightforward if you follow these simple steps:

1. Preheat the Oven: Preheat your oven to 400°F (200°C).
2. Cook the Beef: In a skillet, cook the ground beef over medium heat until browned. Drain excess fat.
3. Add Vegetables: Add the diced onion and minced garlic to the skillet. Cook until the onion is translucent.
4. Season the Mixture: Stir in Worcestershire sauce, mustard, salt, and pepper. Mix well and remove from heat.
5. Prepare the Filling: In a bowl, combine the cooked beef mixture with shredded cheddar cheese.
6. Prepare the Batter: In a separate bowl, whisk together the milk, eggs, flour, baking powder, and salt until smooth.
7. Assemble the Pie: Place the pie crust in a pie dish. Pour the beef and cheese mixture into the crust. Then, pour the batter evenly over the top.
8. Bake: Place the pie in the preheated oven and bake for 35-40 minutes, or until golden brown and set in the center.
9. Cool: Remove the pie from the oven and let it cool for about 5-10 minutes before slicing.

Following these steps will guide you in creating this incredible dish effortlessly.