simmer cream and sugar
Add whipping cream and sugar to a saucepan. Stir and place over medium-high heat. Bring to a boil, then simmer for 6 - 8 minutes. The cream should thicken and cover the back of the spoon. Stir from time to time while cooking.
pan-fry the breadcrumbs
In a separate pan, melt the butter over medium heat. Add the breadcrumbs, sugar, finely chopped almonds, and ground almonds. Stir and pan-fry for 3 - 4 minutes. Remove from the heat and season with ground cinnamon.
Divide the whipping cream mixture between four plates. Place a warm štrukelj on top and sprinkle with toasted breadcrumbs. Serve as soon as possible.