Preheat oven to 400°.
Combine the following
3 tsp. vanilla
2 cups water
1 cup oil
2 c. fresh or frozen blueberries
5-1/2 cups muffin mix
The batter should be slightly lumpy.
Fill muffin tins 3/4 full. Bake for 18 to 20 minutes, or until muffins are golden brown.
To reheat frozen muffins, microwave on high for 30 seconds per muffin.
Makes 24 Regular size muffins, or 12 Extra Large