In a medium size mixing bowl, combine flour, cream of rice, yeast, sugar and water. Mix well, cover the bowl and set aside to rise for 4~8 hours.
The batter should be frothy and have a slightly tangy, sour smell once ready.
If the batter is too thick, then add a few tablespoons of water to slightly thin it out. Add vanilla extract and mix well.
Heat an aebleskiver pan on medium heat. Add oil to each cavity and pour about 1 tablespoon of batter in each well.
Cook for 1~2 minutes or until the bottoms get golden brown. Using a fork or a wooden skewer, flip them over and cook on the other side for another 1~2 minutes. You want the pancakes to be golden outside and completely cooked through inside.
Remove the cooked mofo gasy onto a plate and keep them warm. Repeat with the remaining batter.