Pear Walnut Coffee Cake

Ingredients

55 gr butter
100 gr sugar
1 egg
130 gr flour
2 gr baking powder
2 gr baking soda
1 gr salt
120 ml sour cream
300 gr pears
4 gr vanilla
110 gr brown sugar
2 gr cinnamon
28 gr soft butter
60 gr walnuts
1 eg beat until smooth
8 greased

Instructions

comes out clean. Cut into squares and serve warm or at room temperature.