Blueberry Muffins

2 cups Bisquick
1 cup buttermilk
1/2 cup sugar
1 egg
2 tablespoon salad or peanut oil
1 teaspoon vanilla
1 pint blueberries (small basket)

Mix all but blueberries well, then add berries.
Bake in lined muffin tins at 350 degrees for about 20 minutes.

-? (probably got this off the box)