Mom'S Blueberry Cream Pie

Ingredients:
- 1 graham cracker crust
- 1 (14 oz.) can sweetened condensed milk
- 1/3 c. lemon juice
- 1 can blueberry pie filling
- 1 pkg. Cool Whip

Directions:
- In condensed milk, add lemon juice and mix well.
- Add Cool Whip.
- Pour into crust.
- Top with blueberry filling.
- You can also use pineapple with 1/2 cup coconut.
- Top with nuts.
- Chill pie.