Easy Peanut Butter Cookies - 4 dozen

1 2/3 cups all-purpose flour
1 1/2 tbsp cornstarch
1 3/4 tsp baking powder
1/2 tsp baking soda
3/4 cup firmly packed brown sugar
1/4 cup vegetable oil
1/4 cup sugar
1/4 cup creamy peanut butter
1 1/2 tbsp light-colored corn syrup
2 1/2 tsp vanilla extract
1 egg
cooking spray
3 tbsp granulated sugar

Preheat oven to 375 degrees.
Combine flour, cornstarch, baking powder and baking soda in a bowl; stir well and set aside.
Combine brown sugar, oil, 1/4 cup granulated sugar and peanut butter in a large bowl; beat at medium speed of a mixer until well-blended. Add corn syrup, vanilla and egg; beat well. Stir in flour mixture.
Coat hands lightly with cooking spray and shape dough into 48 (1-inch) balls. Roll balls in 3 tbsp granulated sugar and place 2 inches apart on baking sheets coated with cooking spray. Flatten balls with the bottom of a glass.
Bake for 7 minutes or until lightly browned. Remove cookies from pans and let cool on wire racks.