GHIRARDELLI ULTIMATE DOUBLE CHOCOLATE COOKIES

12 ounce(s) Semi-Sweet Chocolate Chips
11 1/2 ounce(s) 60% Cacao Bittersweet Chocolate Chips
6 tablespoon(s) unsalted butter
3 eggs
1 cup(s) sugar
1/3 cup(s) all-purpose flour
1/2 teaspoon(s) baking powder
1 cup(s) chopped walnuts

In double boiler over hot water, melt bittersweet chocolate chips and butter.

In large bowl with electric mixer or whisk, beat eggs and sugar until thick; stir in chocolate mixture.

In small bowl, stir together flour and baking powder; stir into chocolate mixture. Gently mix in semi-sweet chocolate chips and walnuts. On a sheet of plastic wrap, form dough into two logs, each 2 inches in diameter and about 8 inches long. Wrap tightly; refrigerate at least 1 hour or until firm. (Dough may be frozen; thaw in refrigerator before proceeding with recipe.)

Heat oven to 375 degrees F.

Unwrap dough; with sharp knife, cut into 3/4-inch slices. Place slices 1 1/2 inches apart on greased or parchment-lined cookie sheet.

Bake 12 to 14 minutes or until shiny crust forms on top but interior is still soft. Cool on baking sheet; store in airtight tin up to 1 week.