Mix the cream cheese, mayonnaise, cheddar cheese, ½ cup Parmesan, and jalapeños in a large bowl or in a standing electric mixer fitted with a spatula paddle. Spray a baking dish with cooking spray, then pour the mixture in, evenly smoothing with a spatula.
Mix the Panko breadcrumbs and ¼ cup Parmesan in a small bowl. Evenly sprinkle over the top of the dip.
Bake at 350 until the cheese is bubbling and the top is golden brown (about 20 minutes).
Garnish with sliced jalapeños, if desired.
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Notes
Serve warm or at room temperature with tortilla chips.
Nutritional information is provided as a courtesy only and should be construed as an estimate rather than a guarantee. Ingredients can vary, and Pineapple House Rules makes no guarantees to the accuracy of this information.