Melt the margarine, add in flour and the puree bits by bits, then add in Splenda or sugar, the sweetness to your liking (about 100-200 grams approx.) Mix well.
Pour in milk bits by bits to the mixture. Mix well. Turn off the stove and let it stand until mixture cooled down a bit.
Meanwhile, beat eggs well. When the mixture of puree cooled down, add in beaten eggs bits by bits while stirring the pure every now and then.
Grease lightly muffin tins then pour in mixture into the muffin tins, place 3-4 raisins on top of each mixture. Bake at 175 C until cooked (for about 25 minutes)