Heat butter in a large skillet over medium heat. Add turkey, onion, fresh jalapeno and garlic; cook until turkey is no longer pink and vegetables are tender, 8-10 minutes, breaking up turkey into crumbles.
Stir in ketchup, jalapeno juice, pickled jalapenos, brown sugar, Worcestershire sauce and seasonings. Bring to a boil. Reduce heat; simmer, uncovered, 15-20 minutes to allow flavors to blend, stirring occasionally. Serve on buns.
Can you freeze Jalapeno Sloppy Joe's?
Freeze cooled meat mixture in freezer containers. To use, partially thaw in refrigerator overnight. Heat through in a saucepan, stirring occasionally; adding water if necessary.