Preheat the oven to 400°F (200°C).

In a mixing bowl, combine 1 cup all-purpose flour, 1 teaspoon salt, and 1/2 teaspoon baking powder.

Pour 1/4 cup melted unsalted butter and 1/2 cup water into the dry mixture and stir until a cohesive dough forms.

On a floured surface, roll the dough into a thin sheet, about 1/8 inch thick.

Cut the rolled dough into squares or rectangles.

Place the cut crackers on a baking sheet lined with parchment paper, spacing them out evenly.

Prick each cracker with a fork to prevent puffing.

Bake in the preheated oven for 15-20 minutes, or until golden brown.

Allow the crackers to cool completely on a wire rack to maintain crunchiness.