Hard Boiled Egg Soaked in Venegar Diabetes Posted on December 25, 2021September 12, 2022Author putrazPosted in Diabetes Ingredients. 12 cups / 2 ¾ litres filtered water ; 1 tbsp coconut oil , or extra-virgin olive oil ; 1 red onion, quartered (with skins) 1 garlic bulb, smashed.