Melt 1 (12 ounce) package chocolate chips. Stir in 2 cups of sour cream and let cool. Spread chocolate cream evenly on ten flour tortillas. Stack tortillas on top of the other.

Top with 1 cup sour cream and 1/4 cup of powdered sugar thoroughly mixed and spread over top. Chill overnight.

Top of Tortilla Torte may be decorated with chocolate curls or a light dusting of cinnamon or pecans. Slice in narrow wedges.