Wyoming Whopper Cookies - cooking recipe

Ingredients

2/3 c. butter or margarine
1 1/4 c. packed brown sugar
3/4 c. sugar
3 eggs, beaten
1 1/2 c. chunky-style peanut butter *
6 c. old-fashioned oats (not quick-cooking)
2 tsp. baking soda
1 1/2 c. raisins
2 c. (12 oz.) semi-sweet chocolate chips

Preparation

*I use Jif brand peanut butter.
If unavailable, use another brand, but add several tablespoons water to mixture.