Butter Tart Squares - cooking recipe

Ingredients

1/2 cup butter
1 cup flour
2 tablespoons icing sugar
1 1/2 cups brown sugar
1/4 cup butter, melted
1 tablespoon white vinegar
2 eggs
1 cup raisins
1 teaspoon vanilla

Preparation

Mix 1/2 cup of butter with flour and icing sugar.
Press into an 8\" square microwave safe pan.
Cook uncovered in microwave, 4 to 5 minutes on full power.
Beat together the remaining ingredients, except the raisins.
Stir in raisins and pour over base.
Bake in microwave for 4 to 6 minutes on full power.