01 - Preheat oven to 375°F. Lightly grease an 8x8 inch baking dish with cooking spray or butter.
02 - In a medium bowl, combine cream cheese, sour cream, cheddar cheese, mozzarella cheese, chopped jalapeños, garlic powder, onion powder, smoked paprika, salt, and black pepper. Mix until fully incorporated and smooth.
03 - Spread the cheese mixture evenly into the prepared baking dish, smoothing the top with a spatula.
04 - In a small bowl, combine panko breadcrumbs, melted butter, and Parmesan cheese. Mix until breadcrumbs are evenly coated.
05 - Sprinkle the breadcrumb mixture evenly over the top of the dip.
06 - Bake for 20-25 minutes until the topping is golden brown and the dip is bubbly around the edges.
07 - Remove from oven and garnish with reserved chopped jalapeño and fresh parsley if desired. Serve warm with tortilla chips, crackers, or sliced baguette.