In the meantime, take bread slices & cut their edges. Roughly piece them.
When the milk begins to boil, bring the flame on low and keep it low throughout the next process.
Add baking soda in it and mix.
Then add bread pieces & stir.
After 2-3 minutes, add sugar & mix.
Let the bread cook well in milk for 20 to 25 minutes with no lumps in it. Mash the bread thoroughly. Keep stirring at intervals to prevent the sticking of bread on the bottom of the pan.
When the bread mixture attains the thick porridge like consistency, add strawberry essence, red food colour & unsalted butter.
Mix them well and switch off the flame.
Add nuts & mix well.
Let the mixture cool down properly.
Once cooled, transfer the mixture into airtight plastic container.
Place it in the freezer and let it be in there for 6 - 7 hours.