Anyone who's read our Wok Skills 101 Guide knows that with a stir-fry, having all of your ingredients prepped and ready to go is of utmost importance. Meat should be sliced. Vegetables should be chopped, sauces should be mixed, and aromatics should be minced before you turn the heat up. But there's another secret that will improve both the flavor and the texture of your proteins: proper marinating. Here's how you do it.