Cut two round slices from a lime half and set aside. Juice the remaining limes. Put a little sea salt on a small saucer or plate. Wipe the rims of two martini glasses with a little lime juice, then press into the sea salt to coat.
Put the remaining ingredients and lime juice into a blender and whizz to a slushy consistency. Divide between the frosted glasses and garnish each with a lime slice.
Recipe by The Best Video Recipes for All at https://recipes-for-all.com/frozen-margarita/