Mix the cheeses and creams: In the crock pot, add softened cream cheese, cheddar, Monterey Jack, mayo, and sour cream. Stir until smooth and creamy.
8 ounces cream cheese, 1 cup shredded cheddar cheese, 1 cup shredded Monterey Jack cheese, ½ cup sour cream, ½ cup mayonnaise
Add the peppers and seasonings: Fold in diced jalapenos, green chilies, garlic powder, salt, onion powder, and black pepper. Mix until evenly combined.
2-3 diced jalapeno peppers, 1 7- ounce can diced green chilies, 1 teaspoon garlic powder, 1 teaspoon salt, ½ teaspoon onion powder, ½ teaspoon black pepper
Prepare the topping: In a small bowl, combine Parmesan, panko, and melted butter. Stir until the crumbs are fully coated.
½ cup grated Parmesan cheese, ½ cup panko bread crumbs, 2 tablespoons butter
Assemble in the crock pot: Sprinkle the crumb mixture evenly over the dip, covering it completely.
Cook the dip: Set the crock pot to low and cook for 1 to 2 hours, stirring halfway, until hot and bubbly.
Add finishing touches: Top with crispy bacon and extra jalapenos. Serve warm with tortilla chips or crackers.
¼ cup bacon, tortilla chips