In a bowl, add together glutinous flour, all purpose flour, salt, baking soda, and sugar.
Add warm water and butter to the dry ingredients and mix to make dough. Knead until all ingredients are incorporated together. Cover dough in cling wrap and let it rest in room temperature for 30 minutes.
Scoop/divide little spoonfuls of the dough (about 20g or use an ice cream scooper), and flatten/press them to make small circles.
Place a cheese cube in the middle for each serving and press edges together to close the seam. Roll in between palms to form little balls.
Heat oil and fry balls for about 3-5 minutes or until color is light golden brown. Remove from pan and drain/strain excess oil. Serve with spicy ketchup, ranch or mayo and ketchup mixture.
