Cream butter and beat in sugar. Beat in eggs, one at a time. Stir in milk. Combine blueberries, graham cracker crumbs, flour baking powder and baking soda.
Add all at once and beat until batter is smooth. Pour into a greased 8 inch spring – form baking pan.
Bake in preheated oven 375 F for 50 minutes to an hour or until top is richly browned.
Serve warm or cold topped whipped cream.