To prepare a sticky onion crunch wings recipe, you will first need to prepare your ingredients. You will need: 2 tablespoons butter, 2 teaspoons kosher salt, 1 teaspoon ground cumin, 1/2 teaspoon paprika, 1/4 teaspoon cayenne pepper, and 1 tablespoon of vegetable oil. Mix the ingredients together until they are well combined. Pour the mixture into the greased and floured wing tin. Bake the wings in the preheated oven for 20 to 25 minutes or until the skin is crispy. Remove from the oven and allow to cool before slicing.