Preheat oven to 375F with rack on upper middle position.
In a mixing bowl, mix together the cream cheese, cheddar cheese, sour cream, jalapeño, garlic powder, and onion powder to combine well. Use rubber spatula to scrape mixture into an oven-proof serving dish.
In a bowl, combine topping ingredients with a fork until combined. Sprinkle evenly over the dip.
Bake 25-30 minutes or just until bubbly and topping is golden brown. Serve warm with tortilla chips, crostini, or crackers.
Notes
You can also use a 4-ounce can of diced jalapeños instead of fresh jalapeños, in a pinch. It will likely be milder.
If you want a less spicy dip, replace the 4-ounce can jalapeño for 2-ounces jalapeño + 6 ounces mild green diced chilies. Be sure to drain out the liquid, if using canned versions.
Add more jalapeños if you'd like it more spicy.
Dip is definitely best served warm, so you'll want to keep it warm until ready to eat.
Storage: Store leftovers airtight in fridge for up to 4 days. Reheat in oven to re-crisp topping.
Crockpot method: If you'd like to make this dip in a crockpot, add all "dip ingredients" into the crockpot and mix well. Skip the "topping ingredients." Cook on low setting for 2 hours. Keep on warm setting to keep dip warm.
We love serving this party dip alongside tortilla chips, Easy Crostini, or crackers. It's also great with other dips such as our Caramelized Onion Dip for a party spread.
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