1 package yellow cake mix
1/4 C sugar
1 package cream cheese, room temperature or 30 sec in microwave
1/2 vegetable oil
1 t vanilla
1 1/4 C blueberries
Preheat oven to 325°
Grease and flour 10" Bundt pan.
Stir together cake mix and sugar in a large bowl.
Make a well in the center and pout in eggs, cream cheese, oil and vanilla.
Beat on low speed until blended. Scrape bowl and beat 4 minutes on medium speed.
Fold in blueberries.
Pour batter into pan.
Bake for 40 - 45 minutes (High altitude about 55 minutes) or until a toothpick inserted into the center of the cake comes out clean.
Let cool in pan for 10 minutes, then turn out onto a wire rack and cool completely.