How can you separate raisins and flour?

1. Sieving: This is the simplest method and works well if the raisins and flour are coarse and of different sizes. Place a fine-mesh sieve over a bowl. Pour the mixture of raisins and flour into the sieve. Shake the sieve gently to allow the flour to pass through the mesh, leaving the raisins on top.

2. Floating Method: This method is based on the difference in density between raisins and flour. Fill a large bowl with water. Add the mixture of raisins and flour to the water. Stir gently. The raisins will float to the surface while the flour will sink to the bottom. Skim the raisins off the surface using a spoon or a slotted spoon.

3. Winnowing: Winnowing is a traditional method that utilizes wind or air currents to separate lighter materials from heavier ones. Take the mixture of raisins and flour outdoors or in a well-ventilated area. Hold the mixture in a shallow pan or tray. Gently toss and lift the mixture, allowing the wind to carry away the lighter flour particles while the raisins fall back into the container.

4. Tweezers: If the mixture contains only a few raisins, you can manually pick them out using a pair of tweezers or small tongs. This is a time-consuming method, but it ensures complete separation of the raisins and flour.

Once you have separated the raisins from the flour, make sure to dry the raisins thoroughly to prevent spoilage. You can spread them on a baking tray or paper towel and let them air dry, or pat them dry with a clean cloth. Store the raisins in an airtight container in a cool, dry place.