Grams change with the number of servings; the carbs in each serving stay the same.

Weigh everything and heat the oven to 400 °F (200 °C).

Mix all the ingredients well in a bowl.

Shape into a squarish ball and roll it between two sheets of parchment to about 6 mm thick or thinner, roughly rectangular.

Peel off the top sheet and slide onto a tray.

Bake 10 minutes, cool slightly, cut into about 30 squares, and bake 15 minutes more until golden.

Cool completely. Keeps 48 hours in an airtight box.