Preheat oven to 400 F.

Combine flour, baking powder, sugar, and salt in a food processor.

Pulse to combine.

Add cold butter in small pats, pulsing to combine after each addition.

Add vegetable oil and pulse to combine.

Add water gradually, pulsing after each addition until the dough forms a ball.

Roll the dough out thinly.

Cut out shapes using cookie cutters.

Poke holes in the dough.

Bake on a parchment-lined baking sheet for 10 minutes, or until lightly browned.

Melt remaining butter and mix in remaining salt.

Brush baked crackers with the salty butter immediately after removing them from the oven.