Add 1/2 cup (125 ml) canola oil or 1/2 cup (115 g) of melted unsalted butter, 1/4 cup (60 ml) milk and 1 lightly beaten egg to the ingredients in the jar. Using a spoon, drop 2 tbsp of dough for each cookie onto a baking sheet lined with parchment paper. Press down lightly with your fingers. Bake on the middle rack of an oven preheated to 375°F (190°C) for 10 to 12 minutes.