San Marcos Peepers must be one of the most spicy canned peppers I’ve tried. I’ve also tried jalapeños from this brand and they are super hot too. I love the taste makes spicy food taste much better. San Marcos Peepers must be one of the most spicy canned peppers I’ve tried. I’ve also tried jalapeños from this brand and they are super hot too .I love the taste makes spicy food taste much better!