The buttery blend of oats and nuts in this easy, warm dessert stays nubby and crunchy while baking over the juicy fruit. (It also happens to be gluten-free.) A chai spice blend is especially nice in the mix, but other sweet-leaning spices like cinnamon and cardamom taste just as good. Any blend of fruit works, and keeping the peel on apples, pears and stone fruit not only streamlines the preparation but also adds a pleasant chewiness. If you want to go all berry, stick with fresh options…