To transform instant oatmeal into delectable cookies, combine 1 cup instant oatmeal, 1/2 cup melted butter, 1/4 cup granulated sugar, and 1 egg. Mix thoroughly and drop by rounded tablespoons onto a greased baking sheet. Bake at 375°F for 10-12 minutes or until golden brown around the edges. Let cool on a wire rack before savoring these instant oatmeal cookies, offering a convenient shortcut to homemade treats with their chewy texture and satisfying oat flavor.