Heat oven to 400 degrees. Prick potatoes all over with a fork and arrange on a baking sheet. Bake potatoes until tender, about 45 minutes, and let cool slightly.
Meanwhile, combine oats, almonds, syrup, oil, and salt and transfer mixture to a baking sheet, spreading out flat. Bake crumble, stirring occasionally, until golden brown, about 12 minutes.
Split sweet potatoes with a knife and top with crumble.
We also like this spud in the morning with a poached egg and Parmesan or pomegranate seeds and orange zest.