Preheat the oven to 170 degrees.
Step 1: Collect all your ingredients.
Step 2: Measure out all the ingredients.
Step 3: Put the sugar, butter and vanilla essence in a medium sized saucepan.
Step 4: Melt the 3 ingredients and remove off the heat.
Step 5: Add the mashed banana and mix it in well.
Step 6: Add the egg and mix in well.
Step 7: Add the flour and stir through.
Step 7: Add the milk and mix in lightly.
Step 8: Pour the mixture into a greased loaf pan.
Step 9: Place the cake in the oven for 40 minutes.
Step 10: Place on a cooling rack, slice and enjoy. 😃