How to make Fish Roll \ Oven baked.

Ingredient used;
Mackerel fish
Onions
Beef knorr powder
Maggi cubes
Oil
Grated carrots
Crushed bell peppers
Knorr beef powder
Salt
Maggi cube
Spring onions
For the dough;
4 cups of flour
1 tsp of baking powder
1/2 tsp of salt
1 tsp of nutmeg
1 tbsp of sugar
226g of butter
1 egg
1 cup of butter