It's really up to you how much of this crunchy oat crumble topping you want ... Pour the mixture onto a baking tray lined with foil or baking paper, spread it out into an even layer.

Nuts and oatmeal crumble make up half of a perfect dessert ... It doesn't need to be lined with baking paper. The main advantage of heat-resistant dishes is their ease and convenience of use.

Make the crumble topping: In a small bowl ... Spread the crumb topping out onto a parchment paper–lined baking sheet. Bake for 15 minutes, until golden brown. Set aside to cool completely.