Masa Harina or Masa Seca ~ For tortillas and or tamales
Masa Harina ~ Masa Seca ~ For tamales
Tamales de Tres Quesos ~  3 Cheese Tamales ~ Receta en Español

500 gr. = 17.636 oz  (a little over two cups (16 oz ) 2 cups of pig fat (lard)
1 tbsp salt
1 kg ( 2.2 pounds) of flour for tamales (Masa Seca or Harina de Maize)
1 tsp baking powder
1½ cup of chicken broth or as necessary
½ package corn husks for tamales, soaked

For the filling:

5.2 oz  Panela Cheese, cut into strips ( info )
5.2 oz Manchego Cheese, cut into strips (
info )
5.2 oz Oaxaca Cheese, shredded (
info )

To prepare:
1,  Whip the lard until it's white and puffed up, add salt; add the flour little by little
(previously mixed with the baking powder),  add the chicken broth and mix until
obtaining a smooth and spongy paste.   Put a small ball of masa (dough) in a
glass of water, if it floats it's ready.

3.  Place two tablespoons of masa in a corn husk, spread evenly; put in a little of
the cheese with epazote to taste and enclose;  place in steamer; continue until
all masa and filling are used.  In a large pot steam for one hour or 20
minutes in a pressure cooker.
corn husks ~ click to enlarge
Epazote leaves ~ Buy in Mexican Markets