Pour half the mixture into the tin, and dot teaspoons of blackberry puree over the surface. (idealhome.co.uk)
Step 7: To make the glaze: in a small bowl put 1/2 to 3/4 cup of powdered sugar, 2 tablespoon of blackberry puree or lemon juice. (you-made-that.com)
Into the second bowl add 1 heaping tablespoon of the berry puree (either raspberry puree for pink or blueberry / blackberry puree for purple) and add the remaining berry puree to the third bowl. (wifemamafoodie.com)