Here's the perfect starter recipe
for this classic treat; it results in cookies with a thick, oaty chew. The best part, though, is that it's open to interpretation. As you layer the dry ingredients—flour, baking soda, salt, cinnamon and oats—try swapping dried cherries or cranberries for the raisins. Or keep the raisins—just make them of the chocolate-covered variety. White chocolate chips are an unexpected twist, as are toasted almonds or toffee bits. After you pour each new ingredient into the jar, spread it around with a spoon (or ask a small person to use their hand). This silicone spoonula
makes a nice add-on; it's not too big to handle, but is strong enough to stir the chunkiest cookie dough.