Tropical Brownies

4 cups graham cracker crumbs (about 40 crackers)
1 (6 ounce) package chocolate chips
1 cup (6 ounces) shredded coconut
1 cup toasted nuts
2 cans sweetened condensed milk
Confectioners' sugar

Heat oven to 350 degrees F. Grease and flour a 13 x 9-inch pan.

Mix ingredients and pour into pan. Bake for 30 to 40 minutes. Remove from pan while still warm and sprinkle with confectioners' sugar.