Creating the ultimate Queso Dip is straightforward and can be accomplished by following these simple steps:

1. Combine Ingredients: In a medium saucepan over medium heat, combine the cream cheese, cheddar cheese, and milk.
2. Melt the Cheese: Stir continuously until the cheese has melted and the mixture is smooth.
3. Add Diced Tomatoes: Next, add the canned diced tomatoes with chilies to the cheese mixture, mixing well to combine.
4. Season the Mix: Sprinkle in the garlic powder, onion powder, cumin, chili powder, and season with salt and pepper to taste. Stir until incorporated.
5. Adjust Consistency: If the dip is too thick, add a small amount of milk to thin it to your desired consistency.
6. Incorporate Heat (Optional): For those who enjoy a spicier dip, add the diced jalapeño and mix well.
7. Serve Immediately: Once fully blended and heated through, remove from heat and pour the dip into a serving bowl.
8. Garnish (Optional): Top with fresh cilantro for a vibrant touch before serving.
9. Enjoy with Chips: Serve with tortilla chips and enjoy the creamy, cheesy goodness!

These straightforward steps guide you to create this incredible Queso Dip easily, allowing for a delightful experience in just half an hour.