Preheat your oven to 200°C (400°F) and line a baking sheet with parchment paper or a silicone baking mat. Gather your ingredients and tools: a sharp knife, a mixing bowl, a spoon, and the baking sheet.
Slice each jalapeño in half lengthwise, then carefully scoop out the seeds and membranes with a spoon. Wear gloves if you’re sensitive to capsaicin to avoid irritation. The peppers should feel firm and have a bright green color.
In a mixing bowl, combine softened cream cheese with shredded cheese, buffalo sauce, and chopped herbs. Mix everything together until smooth and well blended, tasting to ensure the spice level is to your liking.
Using a spoon, generously stuff each jalapeño half with the cheese mixture, making sure to fill the cavity completely without overstuffing to prevent spilling during baking.
Place the stuffed jalapeños on the prepared baking sheet, arranging them evenly. Lightly brush or spray the tops with neutral oil, then sprinkle with toasted breadcrumbs to add crunch and flavor.
Bake in the preheated oven for 15–20 minutes, or until the cheese filling is bubbling and the tops are golden brown. Keep an eye on them as they bake to prevent burning.
In the last 2 minutes, turn on the broiler and broil briefly to crisp up the breadcrumb topping and enhance the golden color—watch closely to prevent burning.
Remove the poppers from the oven and let them rest for 5 minutes. This helps the cheese set slightly and makes handling easier.
Drizzle extra buffalo sauce over the poppers or serve with a side of cooling ranch or celery sticks for contrast. Serve warm to enjoy the gooey cheese and crispy topping at their best.