Divide the ground beef into 6 portions. Roll each into a ball then flatten slightly into a small patty. Sprinkle with salt and pepper to taste.
Place olive oil in a large skillet and heat over medium high heat. Place patties in skillet and cook 3-4 minutes per side or until brown. Remove patties and set aside.
Cook onions in skillet, adding more olive oil if necessary, for about 4 minutes.
Add whiskey, being careful if working around an open flame. It would be advisable to remove skillet from gas and pour whiskey into pan then return to heat. Cook until reduced by about ⅓rd, about 2 minutes.
Add in jalapeno pieces and barbecue sauce, stir, then add the hamburger patties, turning so they are coated with sauce and let everything simmer together for approximately 10 minutes.
To serve, toast buns by spreading butter on roll and placing on hot griddle for 1-2 minutes. You can also use a toaster and set the small buns, cut side down on top, and cook until browned.
Place patties on bottom half of buns, top with cheddar cheese if desired and drizzle additional sauce over top. Place other half of bun on top and serve hot.
Notes
Frequently asked questions
What rolls go best with mini burgers sliders?I like to purchase actual slider rolls from the bakery but dinner rolls, potato rolls and those sweet Hawaiian rolls work great.Can you reheat these sliders?Absolutely! Preheat oven to 350 degrees and place sliders on a cookie sheet and cover with foil. Bake for 12 minutes.What other sauces go with burger sliders?If you want to leave off the Jack Daniels BBQ Sauce, you can use just your favorite barbeque sauce. Mayonnaise-based sauces as well as sweet & spicy sauces would work as well. You can even spread on some bacon jam for a real treat!