In a saucepan, combine the milk, water, vegetable oil, and salt. Bring to a boil, then remove from heat.
1 cup milk, 1/2 cup water, 1/4 cup vegetable oil, 1 tsp salt
Mix the ingredients:
In a mixing bowl, add the tapioca flour. Pour the hot milk mixture over the flour, stirring continuously until smooth.
2 cups tapioca flour
Let the mixture cool slightly, then add the grated Parmesan cheese and mix well.
1 1/2 cups grated Parmesan cheese
Add the eggs one at a time, mixing thoroughly until the batter is smooth and well combined.
2 large eggs
Bake the Pão de Queijo:
Grease a muffin tin or mini muffin tin. Fill each cup about 3/4 full with the batter.
Bake for 15-20 minutes, or until the tops are golden and puffed.
Serve:
Remove from the oven and let cool slightly before serving warm.
Notes
Pão de Queijo can be stored in an airtight container for up to 2 days. Reheat in the oven for best results.
Experiment with different cheeses for varied flavors.