01 - Preheat the oven to 400°F or heat oil to 350°F for deep-frying.
02 - Slice jalapeños in half lengthwise and remove seeds and membranes. Wear gloves to avoid skin irritation.
03 - In a mixing bowl, combine cream cheese, cheddar, garlic, paprika, pepper, and salt until well blended.
04 - Fill each jalapeño half generously with the cheese mixture, pressing gently to pack.
05 - Place flour in one shallow dish. Whisk eggs with milk in a second dish. Place breadcrumbs in a third dish.
06 - Dip each filled jalapeño first in flour, shaking off excess, then in egg mixture, then coat thoroughly with breadcrumbs.
07 - For baking: Arrange poppers on a lined baking sheet, spray lightly with oil, and bake 15–20 minutes until golden and bubbly. For frying: Fry in hot oil for 2–3 minutes until golden brown, then drain on paper towels.
08 - Serve hot with your favorite dipping sauce such as ranch or blue cheese dressing.