Detroit 75 Kitchen on Instagram: "Here’s how to make proper, extra crispy potato chips at home. Step 1: Slice the Potatoes We’ll be using a mandoline for this, so be extra careful. Hold the potato in your hand until the piece gets small, and then switch to your safety holder. After each slice, rotate the potato 90º and slice again. Repeate this process so that every slice has a lattice grid. Add your slices to a bowl with cold water, a little salt, and a pinch of baking soda to remove the extra