Flat Cornbread
["8 3/4 c. water", "1 tsp. salt", "2 1/2 c. fine corn flour", "2 1/2 c. coarse corn flour", "1 1/2 c. all-purpose flour"]
["Bring 8 cups water and salt to a boil in a large, heavy pot. Remove from heat; slowly stir in corn flours.", "Stir vigorously until smooth; let cool.", "Divide mixture into 3 equal portions. Transfer one portion to a bowl; work in 1/2 cup all-purpose flour and 1/4 cup water with hands.", "Gather dough (it will be soft and sticky) and transfer to work surface coated with corn flour.", "With palm of hand, lightly flatten each ball into a 10 1/2-inch circle, 1/2-inch thick.", "Slide onto baking sheet; bake on bottom rack for 30 minutes at 475\u00b0.", "Broil for 5 minutes; turn off heat and leave in oven until top has brown spots.", "Repeat with other portions. Cut into wedges and serve with soft cheeses or bean dips."]
["water", "salt", "corn flour", "flour", "flour"]