Preheat the oven to 350 degrees F. Lay 8 thick slices of sour dough bread out on a baking sheet. Spread one tablespoon of Nutella on each pieces of toast.
Then mix the cinnamon, brown sugar, and salt together in a small bowl. Sprinkle over the top of each toast and place in the oven for 3-5 minutes, until the edges of the bread of toasted.