Pão de fubá . MASSA MOLE !!

Ingredients For the sponge: 10 grams of active dry yeast 1 tablespoon of sugar 1 tablespoon of all-purpose flour 200 ml of lukewarm water For the rest of the recipe: 470 grams of all-purpose flour 120 grams of fine cornmeal 350 ml of boiling water 5 tablespoons of soybean oil 1 tablespoon of vinegar 1 egg 2 level tablespoons of sugar 1 level tablespoon of salt Bake in a preheated oven at 200 degrees Celsius (390 degrees Fahrenheit) for 35 to 40 minutes