Can anyone tell me what this is? I got it in a bag of stuff from kitchenware at the thrift store.

Dry thoroughly to prevent rust (if metal) or odor buildup (if plastic).

Pro Tip: Sprinkle sliced onions with a pinch of salt to reduce sharpness and enhance sweetness.

♻️ Thrift Store Find? Clean It Well!
If you bought yours secondhand:

Soak it in warm, soapy water.

Use an old toothbrush to scrub between the blades.

Sanitize with vinegar or a diluted bleach solution.

Check for rust or dull blades—if damaged, recycle it safely.

🆚 Onion Slicer vs. Mandoline vs. Knife
Tool Pros Cons
Onion/Veggie Slicer Simple, safe, affordable, easy to clean Limited to one thickness; not suitable for soft foods
Mandoline Adjustable thickness; versatile Higher risk of cuts; harder to clean
Chef’s Knife Full control; no gadgets needed Requires skill; slower; more exposure to onion vapors