1/2 c. butter
3/4 c. all purpose flour
1/2 c. rolled oats
1/2 c. chopped nuts
2 tbsp. sugar

FILLING:

1 pkg. (4 serving size) lemon gelatin
1/2 c. boiling water
21 oz. can blueberry pie filling
1/2 c. sour cream

Preheat oven to 400 degrees. In saucepan melt butter. Stir in next 4 ingredients. Mix well and put in 9" pie pan. Bake 12 to 15 minutes or until golden brown. Cool.

Dissolve gelatin in boiling water. Stir in blueberry filling. Chill until thickened. Pour into pie crust. Spoon sour cream by tablespoonfuls onto filling. Cut through sour cream and lightly fold filling over it, making swirls. Chill. If desired, top with whipped cream.