Peanut Butter Cookies

2 cups granulated sugar -- + more for rolling
1 cup softened butter
2 large eggs
2 cups creamy peanut butter
3 cups all-purpose flour
1 teaspoon salt
1 teaspoon soda
2 teaspoons vanilla

Preheat oven to 375°. Combine butter and sugar together and mix thoroughly. Beat in eggs, vanilla and peanut butter until smooth and creamy. Combine flour, salt and soda and add to peanut butter mixture. Roll in 1-inch balls and then roll in sugar.Place on cookie sheet and flatten with fork. Bake for 12 minutes.