1/2 cup unsalted butter, cut into
    4 pieces (at room temperature)
1/3 cup granulated sugar
1/3 cup golden brown sugar, firmly packed
1 large egg
1 teaspoon vanilla extract
1 cup all-purpose flour
1/2 teaspoon baking soda
1/4 teaspoon salt
6 1/2 ounces white chocolate, coarsely chopped
3/4 cup macadamia nuts, halved

Preheat oven to 375 degrees F. Lightly grease 2 cookie sheets.

Blend butter, sugars, egg and vanilla extract in process until fluffy, stopping once to scrape down sides of work bowl, about 1 minute. Add flour, baking soda and salt, and mix until just combined, using 2 to 3 pulses; do not over-process.

Transfer to large bowl. Stir in chocolate and nuts. Mound dough by 1/3 cupsful onto prepared cookie sheets, spacing 2 inches apart. Bake until light brown around edges, about 15 minutes.

Cool on cookie sheets 3 minutes. Transfer to rack and cool completely. Store in airtight container. Store 3 to 4 days at room temperature or freeze up to 3 weeks.

Makes about 8 cookies.