In a large bowl or stand mixer, combine lukewarm water and yeast. Let it sit until dissolve for about 5 minutes.
Lightly whisk evaporated milk, sugar, salt, egg and vanilla extract. Add it to the yeast mixture.
Mix in about 2 cups flour and continue mixing with hand or dough mixer. If using a stand mixer, mix for about a minute or 2.
Finally add melted butter, mix until dough is sticky but smooth. Add in additional flour (if needed) to make soft dough.
Turn dough on lightly floured surface and knead for 1-2 minutes Place dough in a greased bowl, turning once to coat the dough. Cover loosely with a clean cloth and let rise in a warm, draft-free place for about 2 hours or until doubled.
Punch the dough down- remove the dough from the bowl.
Roll out the dough on a lightly floured surface into ¼ - 1/3 inch thick. Then cut out dough into 1 1/2 or 2″ squares, you can use a sharp knife or pizza cutter. Let it rest for about 10 minutes before frying.
Working in batches so as to not crowd the oil, fry the dough squares until they are puffy and golden brown. Remove from the oil, make a pit stop on the paper towels and immediately dust with powdered sugar.
Serve hot with Café au lait!!!!!