Coconut Cream Pie Filling

**from my SIL Courtney

Mix together:
2/3 c sugar
1/4 c cornstartch
1/2 tsp salt

Beat together:
3 c milk
4 egg yolks

Then in a microwavable bowl: mix these 2 together, cook in microwave in 2 min cycles until thick...(prob like 4 to 5 cycles)

Then add:
2 T butter
2 tsp vanilla
3/4 c shredded coconut

make sure it cool down completely before you put it in the pie crust