In a saucepan, add water and heat it. It should be boiling hot.
In a mixing bowl, take maize flour, whole wheat flour, black pepper, salt, and baking soda.
Add hot water into the bowl and using a spatula or a spoon start mixing.
Add oil and make sure everything is mixed properly.
Make it to a stiff and smooth dough. If need, add more water.
Now divide the dough into two equal portions.
Meanwhile, keep the oven for preheating at 180 °C. Line a baking tray with parchment paper.
Keep the dough between two layers of parchment paper or plastic sheet.
Using a rolling pin roll it into a thin sheet.
Prick the rolled sheet and cut it into triangular shapes. Place them on a baking tray.
Bake in preheated oven at180 °C for 20 minutes.
Enjoy your baked healthy baked nachos chips with your choice of dip.