These jalapeno poppers will be as spicy as your jalapeños are — some are spicier than others. u003cbr/u003eu003cbr/u003eHere's a quick guide to u003ca href=u0022https://www.simplyrecipes.com/tip_how_to_check_for_the_hotness_of_jalapenos/u0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eHow to Check the Hotness of Jalapeñosu003c/au003e: in summary, look for bright green jalapeños without lines ('stretch marks') for milder flavor. Also, be sure to remove all of the seeds and membranes to make your peppers less spicy.