In a medium bowl, combine jalapenos, cream cheese, cheddar cheese, Parmesan cheese, mayonnaise, red onion, garlic powder, Worcestershire sauce, salt, and black pepper.
Mix until all ingredients are combined.
Spread mixture into a 9-inch pie plate.
Bake for 15-20 minutes, or until cheese is melted and bubbly.
Serve with chips, crackers, or vegetables.
Interesting Facts
Jalapenos are a type of pepper that is native to Mexico.
This jalapeno popper spread is a great way to use up any leftover jalapenos.
You can make this spread ahead of time and store it in the refrigerator for up to a week.