Pineapple chocolate chip cookies

Pineapple chocolate chip cookies 1/2 cup butter 1/2 cup sugar 1/2 cup packed brown sugar 1 egg 1 8-oz. can crushed pineapple, drained 1 tsp. vanilla 2 cups flour 1 tsp. baking soda 1 tsp. baking powder 1/4 tsp. salt 3/4 cup chocolate chips 3/4 cup chopped walnuts Cream butter and sugars together. Add egg. Beat in pineapple and vanilla. In a separate bowl, combine flour, baking powder, baking soda, and salt. Gradually add to creamed mixture. Stir in nuts and chocolate chips. Drop spoonfuls onto a greased cookie sheet and bake at 375 degrees for 10 to 12 minutes. The recipe makes about 2 dozen cookies.