Preheat the oven to 300°F (150°C).
Mix all dry ingredients in a bowl.
Add boiling water and oil.
Mix together with a wooden fork.
Spread out the dough thinly on a baking sheet lined with parchment paper.
Bake on lower rack for about 45 minutes, check occasionally.
Let dry for another 15 minutes, but pay attention as seeds are heat sensitive.
Turn off the oven and let the dry in the oven.
Break into pieces and spread a generous amount of butter on top.