Best Ever Chocolate Pie(Microwave) - cooking recipe

Ingredients

3/4 c. sugar
3 Tbsp. flour
1/4 tsp. salt
1 (12 oz.) can evaporated milk
1 (5.5 oz.) can chocolate syrup
3 egg yolks, beaten
1/4 c. butter or margarine
1 Tbsp. vanilla extract
1 (9-inch) graham cracker crust
1 c. Cool Whip (or more)
1/4 c. sifted powdered sugar

Preparation

Combine sugar, flour and salt in a microwave-safe mixing bowl. Stir in milk, chocolate syrup and egg yolks.
Microwave at Medium (50%) for 8 to 10 minutes or until thick, stirring every two minutes with a wire whisk.
Add butter and vanilla.
Stir until butter melts.
Pour into crust.
Chill thoroughly.
Stir powdered sugar into Cool Whip.
Cover with Cool Whip and sprinkle with cocoa.