Lime, White Chocolate and Macadamia Nut Cookies

2/3 cup butter- room temp
1 cup white sugar
2 large eggs
1 T lime zest (1 lg lime)
2 1/4 cups flour
1/2 tsp baking powder
1/2 tsp baking soda
1/2 tsp salt
3/4 cup toasted macadamia nuts

Preheat oven to 350. In a large bowl, cream together butter and sugar until creamy. Beat in eggs one at a time, followe by lime zest. In a medium bowl, whisk flour, baking powder and soda and salt. Stir flour mix into the butter mixture mixing only until no streaks of flour remain. Stir in white chocolate chips and nuts. Drop by tablespoonful onto baking sheet. Bake for 10-12 minutes. Cool for 5 minutes on baking sheet and remove to a wire rack to cool completely before storing.