PARTNER POST – Get creative with any of Castello’s uniquely crafted cheeses. Click here for a $1 off coupon to create your own gourmet masterpiece. Castello Jalapeño Havarti cheeses; Jalapeño Havarti & Cauliflower Crustless Quiche Castello Cheese is an historical cheese brand that started since 1893 and they create more than 40 different types of delicious cheeses. I’ve recently been selected to be one of Castello’s collaborators to come up with a unique recipe with their jalapeño havarti cheese that’s more than just a grilled cheese sandwich or cheese dip. Havarti cheese is a Danish-style cow’s milk cheese that is..